Home / 14,569,721.28-20,105,688.68-8,043,210.87

Finding the Fourth Proportional to 14,569,721.28, 20,105,688.68 and 8,043,210.87

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Solution

The fourth proportional to 14,569,721.28, 20,105,688.68 and 8,043,210.87 is: 11,099,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569,721.28 : 20,105,688.68 = 8,043,210.87 : x
  2. Step 2: Convert to fraction form
    14,569,721.28/20,105,688.68 = 8,043,210.87/x
  3. Step 3: Cross multiply
    14,569,721.28x = 20,105,688.68 × 8,043,210.87
  4. Step 4: Simplify right side
    14,569,721.28x = 161,714,293,699,595.91
  5. Step 5: Solve for x
    x = 161,714,293,699,595.91/14,569,721.28
  6. Step 6: Final answer
    x = 11,099,340.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.