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Finding the Fourth Proportional to 8,952,983.60, 13,400,898.60 and 7,063,415.60

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Solution

The fourth proportional to 8,952,983.60, 13,400,898.60 and 7,063,415.60 is: 10,572,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952,983.60 : 13,400,898.60 = 7,063,415.60 : x
  2. Step 2: Convert to fraction form
    8,952,983.60/13,400,898.60 = 7,063,415.60/x
  3. Step 3: Cross multiply
    8,952,983.60x = 13,400,898.60 × 7,063,415.60
  4. Step 4: Simplify right side
    8,952,983.60x = 94,656,116,225,258.16
  5. Step 5: Solve for x
    x = 94,656,116,225,258.16/8,952,983.60
  6. Step 6: Final answer
    x = 10,572,577.86

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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.