Home / 12,711,490.56-17,547,511.68-7,556,520.96

Finding the Fourth Proportional to 12,711,490.56, 17,547,511.68 and 7,556,520.96

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Solution

The fourth proportional to 12,711,490.56, 17,547,511.68 and 7,556,520.96 is: 10,431,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,490.56 : 17,547,511.68 = 7,556,520.96 : x
  2. Step 2: Convert to fraction form
    12,711,490.56/17,547,511.68 = 7,556,520.96/x
  3. Step 3: Cross multiply
    12,711,490.56x = 17,547,511.68 × 7,556,520.96
  4. Step 4: Simplify right side
    12,711,490.56x = 132,598,139,805,764.81
  5. Step 5: Solve for x
    x = 132,598,139,805,764.81/12,711,490.56
  6. Step 6: Final answer
    x = 10,431,360.44

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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.