Home / 11,547,420.47-15,909,306.86-9,479,161.59

Finding the Fourth Proportional to 11,547,420.47, 15,909,306.86 and 9,479,161.59

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Solution

The fourth proportional to 11,547,420.47, 15,909,306.86 and 9,479,161.59 is: 13,059,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547,420.47 : 15,909,306.86 = 9,479,161.59 : x
  2. Step 2: Convert to fraction form
    11,547,420.47/15,909,306.86 = 9,479,161.59/x
  3. Step 3: Cross multiply
    11,547,420.47x = 15,909,306.86 × 9,479,161.59
  4. Step 4: Simplify right side
    11,547,420.47x = 150,806,890,474,873.50
  5. Step 5: Solve for x
    x = 150,806,890,474,873.50/11,547,420.47
  6. Step 6: Final answer
    x = 13,059,790.35

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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.