Home / 8,688,211.52-11,947,215.36-7,540,298.96

Finding the Fourth Proportional to 8,688,211.52, 11,947,215.36 and 7,540,298.96

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Solution

The fourth proportional to 8,688,211.52, 11,947,215.36 and 7,540,298.96 is: 10,368,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,211.52 : 11,947,215.36 = 7,540,298.96 : x
  2. Step 2: Convert to fraction form
    8,688,211.52/11,947,215.36 = 7,540,298.96/x
  3. Step 3: Cross multiply
    8,688,211.52x = 11,947,215.36 × 7,540,298.96
  4. Step 4: Simplify right side
    8,688,211.52x = 90,085,575,553,904.02
  5. Step 5: Solve for x
    x = 90,085,575,553,904.02/8,688,211.52
  6. Step 6: Final answer
    x = 10,368,713.44

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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.