Home / 42,512,959.59-63,779,558.22-13,759,095.21

Finding the Fourth Proportional to 42,512,959.59, 63,779,558.22 and 13,759,095.21

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Solution

The fourth proportional to 42,512,959.59, 63,779,558.22 and 13,759,095.21 is: 20,641,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,512,959.59 : 63,779,558.22 = 13,759,095.21 : x
  2. Step 2: Convert to fraction form
    42,512,959.59/63,779,558.22 = 13,759,095.21/x
  3. Step 3: Cross multiply
    42,512,959.59x = 63,779,558.22 × 13,759,095.21
  4. Step 4: Simplify right side
    42,512,959.59x = 877,549,014,000,718.12
  5. Step 5: Solve for x
    x = 877,549,014,000,718.12/42,512,959.59
  6. Step 6: Final answer
    x = 20,641,917.72

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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.