Home / 42,618,604.40-63,854,423.40-19,852,809.20

Finding the Fourth Proportional to 42,618,604.40, 63,854,423.40 and 19,852,809.20

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Solution

The fourth proportional to 42,618,604.40, 63,854,423.40 and 19,852,809.20 is: 29,744,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,618,604.40 : 63,854,423.40 = 19,852,809.20 : x
  2. Step 2: Convert to fraction form
    42,618,604.40/63,854,423.40 = 19,852,809.20/x
  3. Step 3: Cross multiply
    42,618,604.40x = 63,854,423.40 × 19,852,809.20
  4. Step 4: Simplify right side
    42,618,604.40x = 1,267,689,684,336,215.25
  5. Step 5: Solve for x
    x = 1,267,689,684,336,215.25/42,618,604.40
  6. Step 6: Final answer
    x = 29,744,983.49

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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.