Home / 21,247,487.10-31,871,230.65-13,594,736.70

Finding the Fourth Proportional to 21,247,487.10, 31,871,230.65 and 13,594,736.70

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Solution

The fourth proportional to 21,247,487.10, 31,871,230.65 and 13,594,736.70 is: 20,392,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,247,487.10 : 31,871,230.65 = 13,594,736.70 : x
  2. Step 2: Convert to fraction form
    21,247,487.10/31,871,230.65 = 13,594,736.70/x
  3. Step 3: Cross multiply
    21,247,487.10x = 31,871,230.65 × 13,594,736.70
  4. Step 4: Simplify right side
    21,247,487.10x = 433,280,988,991,719.81
  5. Step 5: Solve for x
    x = 433,280,988,991,719.81/21,247,487.10
  6. Step 6: Final answer
    x = 20,392,105.05

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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.