Home / 10,509,181.40-15,767,708.70-4,124,016.20

Finding the Fourth Proportional to 10,509,181.40, 15,767,708.70 and 4,124,016.20

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Solution

The fourth proportional to 10,509,181.40, 15,767,708.70 and 4,124,016.20 is: 6,187,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509,181.40 : 15,767,708.70 = 4,124,016.20 : x
  2. Step 2: Convert to fraction form
    10,509,181.40/15,767,708.70 = 4,124,016.20/x
  3. Step 3: Cross multiply
    10,509,181.40x = 15,767,708.70 × 4,124,016.20
  4. Step 4: Simplify right side
    10,509,181.40x = 65,026,286,115,680.94
  5. Step 5: Solve for x
    x = 65,026,286,115,680.94/10,509,181.40
  6. Step 6: Final answer
    x = 6,187,569.10

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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.