Home / 31,699,976.40-47,516,780.64-13,266,483.40

Finding the Fourth Proportional to 31,699,976.40, 47,516,780.64 and 13,266,483.40

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Solution

The fourth proportional to 31,699,976.40, 47,516,780.64 and 13,266,483.40 is: 19,885,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699,976.40 : 47,516,780.64 = 13,266,483.40 : x
  2. Step 2: Convert to fraction form
    31,699,976.40/47,516,780.64 = 13,266,483.40/x
  3. Step 3: Cross multiply
    31,699,976.40x = 47,516,780.64 × 13,266,483.40
  4. Step 4: Simplify right side
    31,699,976.40x = 630,380,581,582,001.38
  5. Step 5: Solve for x
    x = 630,380,581,582,001.38/31,699,976.40
  6. Step 6: Final answer
    x = 19,885,837.57

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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.