Home / 8,687,364.86-11,988,564.98-4,819,876.79

Finding the Fourth Proportional to 8,687,364.86, 11,988,564.98 and 4,819,876.79

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Solution

The fourth proportional to 8,687,364.86, 11,988,564.98 and 4,819,876.79 is: 6,651,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,364.86 : 11,988,564.98 = 4,819,876.79 : x
  2. Step 2: Convert to fraction form
    8,687,364.86/11,988,564.98 = 4,819,876.79/x
  3. Step 3: Cross multiply
    8,687,364.86x = 11,988,564.98 × 4,819,876.79
  4. Step 4: Simplify right side
    8,687,364.86x = 57,783,406,032,565.99
  5. Step 5: Solve for x
    x = 57,783,406,032,565.99/8,687,364.86
  6. Step 6: Final answer
    x = 6,651,430.78

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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.