Home / 8,780,675.52-12,109,282.08-7,539,864.66

Finding the Fourth Proportional to 8,780,675.52, 12,109,282.08 and 7,539,864.66

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Solution

The fourth proportional to 8,780,675.52, 12,109,282.08 and 7,539,864.66 is: 10,398,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,675.52 : 12,109,282.08 = 7,539,864.66 : x
  2. Step 2: Convert to fraction form
    8,780,675.52/12,109,282.08 = 7,539,864.66/x
  3. Step 3: Cross multiply
    8,780,675.52x = 12,109,282.08 × 7,539,864.66
  4. Step 4: Simplify right side
    8,780,675.52x = 91,302,348,012,963.30
  5. Step 5: Solve for x
    x = 91,302,348,012,963.30/8,780,675.52
  6. Step 6: Final answer
    x = 10,398,100.67

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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.