Home / 9,117,702.72-13,654,636.75-5,215,332.52

Finding the Fourth Proportional to 9,117,702.72, 13,654,636.75 and 5,215,332.52

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Solution

The fourth proportional to 9,117,702.72, 13,654,636.75 and 5,215,332.52 is: 7,810,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117,702.72 : 13,654,636.75 = 5,215,332.52 : x
  2. Step 2: Convert to fraction form
    9,117,702.72/13,654,636.75 = 5,215,332.52/x
  3. Step 3: Cross multiply
    9,117,702.72x = 13,654,636.75 × 5,215,332.52
  4. Step 4: Simplify right side
    9,117,702.72x = 71,213,471,069,963.84
  5. Step 5: Solve for x
    x = 71,213,471,069,963.84/9,117,702.72
  6. Step 6: Final answer
    x = 7,810,462.05

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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.