Home / 20,130,490.40-30,165,875.52-14,785,579.04

Finding the Fourth Proportional to 20,130,490.40, 30,165,875.52 and 14,785,579.04

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Solution

The fourth proportional to 20,130,490.40, 30,165,875.52 and 14,785,579.04 is: 22,156,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,490.40 : 30,165,875.52 = 14,785,579.04 : x
  2. Step 2: Convert to fraction form
    20,130,490.40/30,165,875.52 = 14,785,579.04/x
  3. Step 3: Cross multiply
    20,130,490.40x = 30,165,875.52 × 14,785,579.04
  4. Step 4: Simplify right side
    20,130,490.40x = 446,019,936,811,761.06
  5. Step 5: Solve for x
    x = 446,019,936,811,761.06/20,130,490.40
  6. Step 6: Final answer
    x = 22,156,436.73

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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.