Home / 19,459,965.80-29,145,711.90-12,293,604.20

Finding the Fourth Proportional to 19,459,965.80, 29,145,711.90 and 12,293,604.20

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Solution

The fourth proportional to 19,459,965.80, 29,145,711.90 and 12,293,604.20 is: 18,412,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459,965.80 : 29,145,711.90 = 12,293,604.20 : x
  2. Step 2: Convert to fraction form
    19,459,965.80/29,145,711.90 = 12,293,604.20/x
  3. Step 3: Cross multiply
    19,459,965.80x = 29,145,711.90 × 12,293,604.20
  4. Step 4: Simplify right side
    19,459,965.80x = 358,305,846,225,829.94
  5. Step 5: Solve for x
    x = 358,305,846,225,829.94/19,459,965.80
  6. Step 6: Final answer
    x = 18,412,460.22

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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.