Home / 10,872,500.80-16,308,751.20-9,696,769.60

Finding the Fourth Proportional to 10,872,500.80, 16,308,751.20 and 9,696,769.60

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Solution

The fourth proportional to 10,872,500.80, 16,308,751.20 and 9,696,769.60 is: 14,545,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,500.80 : 16,308,751.20 = 9,696,769.60 : x
  2. Step 2: Convert to fraction form
    10,872,500.80/16,308,751.20 = 9,696,769.60/x
  3. Step 3: Cross multiply
    10,872,500.80x = 16,308,751.20 × 9,696,769.60
  4. Step 4: Simplify right side
    10,872,500.80x = 158,142,202,850,123.50
  5. Step 5: Solve for x
    x = 158,142,202,850,123.50/10,872,500.80
  6. Step 6: Final answer
    x = 14,545,154.40

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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.