Home / 20,733,077.10-31,113,612.46-13,527,057.90

Finding the Fourth Proportional to 20,733,077.10, 31,113,612.46 and 13,527,057.90

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Solution

The fourth proportional to 20,733,077.10, 31,113,612.46 and 13,527,057.90 is: 20,299,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,077.10 : 31,113,612.46 = 13,527,057.90 : x
  2. Step 2: Convert to fraction form
    20,733,077.10/31,113,612.46 = 13,527,057.90/x
  3. Step 3: Cross multiply
    20,733,077.10x = 31,113,612.46 × 13,527,057.90
  4. Step 4: Simplify right side
    20,733,077.10x = 420,875,637,224,581.44
  5. Step 5: Solve for x
    x = 420,875,637,224,581.44/20,733,077.10
  6. Step 6: Final answer
    x = 20,299,718.91

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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.