Home / 8,986,166.29-12,406,889.34-5,316,258.79

Finding the Fourth Proportional to 8,986,166.29, 12,406,889.34 and 5,316,258.79

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Solution

The fourth proportional to 8,986,166.29, 12,406,889.34 and 5,316,258.79 is: 7,339,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,166.29 : 12,406,889.34 = 5,316,258.79 : x
  2. Step 2: Convert to fraction form
    8,986,166.29/12,406,889.34 = 5,316,258.79/x
  3. Step 3: Cross multiply
    8,986,166.29x = 12,406,889.34 × 5,316,258.79
  4. Step 4: Simplify right side
    8,986,166.29x = 65,958,234,510,332.30
  5. Step 5: Solve for x
    x = 65,958,234,510,332.30/8,986,166.29
  6. Step 6: Final answer
    x = 7,339,974.84

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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.