Home / 10,690,500.61-14,754,488.21-8,415,778.69

Finding the Fourth Proportional to 10,690,500.61, 14,754,488.21 and 8,415,778.69

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Solution

The fourth proportional to 10,690,500.61, 14,754,488.21 and 8,415,778.69 is: 11,615,032.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690,500.61 : 14,754,488.21 = 8,415,778.69 : x
  2. Step 2: Convert to fraction form
    10,690,500.61/14,754,488.21 = 8,415,778.69/x
  3. Step 3: Cross multiply
    10,690,500.61x = 14,754,488.21 × 8,415,778.69
  4. Step 4: Simplify right side
    10,690,500.61x = 124,170,507,459,574.25
  5. Step 5: Solve for x
    x = 124,170,507,459,574.25/10,690,500.61
  6. Step 6: Final answer
    x = 11,615,032.07

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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.