Home / 9,666,690.66-13,340,379.24-5,316,113.43

Finding the Fourth Proportional to 9,666,690.66, 13,340,379.24 and 5,316,113.43

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Solution

The fourth proportional to 9,666,690.66, 13,340,379.24 and 5,316,113.43 is: 7,336,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666,690.66 : 13,340,379.24 = 5,316,113.43 : x
  2. Step 2: Convert to fraction form
    9,666,690.66/13,340,379.24 = 5,316,113.43/x
  3. Step 3: Cross multiply
    9,666,690.66x = 13,340,379.24 × 5,316,113.43
  4. Step 4: Simplify right side
    9,666,690.66x = 70,918,969,239,057.19
  5. Step 5: Solve for x
    x = 70,918,969,239,057.19/9,666,690.66
  6. Step 6: Final answer
    x = 7,336,426.88

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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.