Home / 15,549,905.40-23,324,858.10-6,913,989.15

Finding the Fourth Proportional to 15,549,905.40, 23,324,858.10 and 6,913,989.15

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Solution

The fourth proportional to 15,549,905.40, 23,324,858.10 and 6,913,989.15 is: 10,370,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549,905.40 : 23,324,858.10 = 6,913,989.15 : x
  2. Step 2: Convert to fraction form
    15,549,905.40/23,324,858.10 = 6,913,989.15/x
  3. Step 3: Cross multiply
    15,549,905.40x = 23,324,858.10 × 6,913,989.15
  4. Step 4: Simplify right side
    15,549,905.40x = 161,267,815,828,689.62
  5. Step 5: Solve for x
    x = 161,267,815,828,689.62/15,549,905.40
  6. Step 6: Final answer
    x = 10,370,983.73

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.