Home / 12,673,769.60-19,010,654.40-7,298,998.40

Finding the Fourth Proportional to 12,673,769.60, 19,010,654.40 and 7,298,998.40

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Solution

The fourth proportional to 12,673,769.60, 19,010,654.40 and 7,298,998.40 is: 10,948,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673,769.60 : 19,010,654.40 = 7,298,998.40 : x
  2. Step 2: Convert to fraction form
    12,673,769.60/19,010,654.40 = 7,298,998.40/x
  3. Step 3: Cross multiply
    12,673,769.60x = 19,010,654.40 × 7,298,998.40
  4. Step 4: Simplify right side
    12,673,769.60x = 138,758,736,048,552.95
  5. Step 5: Solve for x
    x = 138,758,736,048,552.95/12,673,769.60
  6. Step 6: Final answer
    x = 10,948,497.60

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Similar ratio
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1.5x scale

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.