Home / 13,593,355.60-18,758,829.66-7,398,446.70

Finding the Fourth Proportional to 13,593,355.60, 18,758,829.66 and 7,398,446.70

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Solution

The fourth proportional to 13,593,355.60, 18,758,829.66 and 7,398,446.70 is: 10,209,855.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593,355.60 : 18,758,829.66 = 7,398,446.70 : x
  2. Step 2: Convert to fraction form
    13,593,355.60/18,758,829.66 = 7,398,446.70/x
  3. Step 3: Cross multiply
    13,593,355.60x = 18,758,829.66 × 7,398,446.70
  4. Step 4: Simplify right side
    13,593,355.60x = 138,786,201,393,889.12
  5. Step 5: Solve for x
    x = 138,786,201,393,889.12/13,593,355.60
  6. Step 6: Final answer
    x = 10,209,855.86

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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.