Home / 42,512,911.31-63,779,485.79-13,759,046.93

Finding the Fourth Proportional to 42,512,911.31, 63,779,485.79 and 13,759,046.93

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Solution

The fourth proportional to 42,512,911.31, 63,779,485.79 and 13,759,046.93 is: 20,641,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,512,911.31 : 63,779,485.79 = 13,759,046.93 : x
  2. Step 2: Convert to fraction form
    42,512,911.31/63,779,485.79 = 13,759,046.93/x
  3. Step 3: Cross multiply
    42,512,911.31x = 63,779,485.79 × 13,759,046.93
  4. Step 4: Simplify right side
    42,512,911.31x = 877,544,938,349,724.38
  5. Step 5: Solve for x
    x = 877,544,938,349,724.38/42,512,911.31
  6. Step 6: Final answer
    x = 20,641,845.29

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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.