Home / 42,563,780.80-63,855,002.40-13,805,022.40

Finding the Fourth Proportional to 42,563,780.80, 63,855,002.40 and 13,805,022.40

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Solution

The fourth proportional to 42,563,780.80, 63,855,002.40 and 13,805,022.40 is: 20,710,560.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,563,780.80 : 63,855,002.40 = 13,805,022.40 : x
  2. Step 2: Convert to fraction form
    42,563,780.80/63,855,002.40 = 13,805,022.40/x
  3. Step 3: Cross multiply
    42,563,780.80x = 63,855,002.40 × 13,805,022.40
  4. Step 4: Simplify right side
    42,563,780.80x = 881,519,738,484,053.75
  5. Step 5: Solve for x
    x = 881,519,738,484,053.75/42,563,780.80
  6. Step 6: Final answer
    x = 20,710,560.06

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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.