Home / 13,048,009.40-19,572,014.10-12,418,153.40

Finding the Fourth Proportional to 13,048,009.40, 19,572,014.10 and 12,418,153.40

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Solution

The fourth proportional to 13,048,009.40, 19,572,014.10 and 12,418,153.40 is: 18,627,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,009.40 : 19,572,014.10 = 12,418,153.40 : x
  2. Step 2: Convert to fraction form
    13,048,009.40/19,572,014.10 = 12,418,153.40/x
  3. Step 3: Cross multiply
    13,048,009.40x = 19,572,014.10 × 12,418,153.40
  4. Step 4: Simplify right side
    13,048,009.40x = 243,048,273,440,762.97
  5. Step 5: Solve for x
    x = 243,048,273,440,762.97/13,048,009.40
  6. Step 6: Final answer
    x = 18,627,230.10

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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.