Home / 10,920,916.40-16,412,867.40-9,535,233.20

Finding the Fourth Proportional to 10,920,916.40, 16,412,867.40 and 9,535,233.20

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Solution

The fourth proportional to 10,920,916.40, 16,412,867.40 and 9,535,233.20 is: 14,330,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,916.40 : 16,412,867.40 = 9,535,233.20 : x
  2. Step 2: Convert to fraction form
    10,920,916.40/16,412,867.40 = 9,535,233.20/x
  3. Step 3: Cross multiply
    10,920,916.40x = 16,412,867.40 × 9,535,233.20
  4. Step 4: Simplify right side
    10,920,916.40x = 156,500,518,139,677.66
  5. Step 5: Solve for x
    x = 156,500,518,139,677.66/10,920,916.40
  6. Step 6: Final answer
    x = 14,330,346.69

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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.