Home / 14,332,034.89-19,779,988.65-8,139,070.90

Finding the Fourth Proportional to 14,332,034.89, 19,779,988.65 and 8,139,070.90

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Solution

The fourth proportional to 14,332,034.89, 19,779,988.65 and 8,139,070.90 is: 11,232,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332,034.89 : 19,779,988.65 = 8,139,070.90 : x
  2. Step 2: Convert to fraction form
    14,332,034.89/19,779,988.65 = 8,139,070.90/x
  3. Step 3: Cross multiply
    14,332,034.89x = 19,779,988.65 × 8,139,070.90
  4. Step 4: Simplify right side
    14,332,034.89x = 160,990,729,924,645.31
  5. Step 5: Solve for x
    x = 160,990,729,924,645.31/14,332,034.89
  6. Step 6: Final answer
    x = 11,232,928.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.