Home / 42,022,534.28-63,035,732.79-12,874,283.01

Finding the Fourth Proportional to 42,022,534.28, 63,035,732.79 and 12,874,283.01

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Solution

The fourth proportional to 42,022,534.28, 63,035,732.79 and 12,874,283.01 is: 19,312,016.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,022,534.28 : 63,035,732.79 = 12,874,283.01 : x
  2. Step 2: Convert to fraction form
    42,022,534.28/63,035,732.79 = 12,874,283.01/x
  3. Step 3: Cross multiply
    42,022,534.28x = 63,035,732.79 × 12,874,283.01
  4. Step 4: Simplify right side
    42,022,534.28x = 811,539,863,681,196.88
  5. Step 5: Solve for x
    x = 811,539,863,681,196.88/42,022,534.28
  6. Step 6: Final answer
    x = 19,312,016.22

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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.