Home / 12,344,805.81-18,519,808.85-4,668,280.71

Finding the Fourth Proportional to 12,344,805.81, 18,519,808.85 and 4,668,280.71

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Solution

The fourth proportional to 12,344,805.81, 18,519,808.85 and 4,668,280.71 is: 7,003,404.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344,805.81 : 18,519,808.85 = 4,668,280.71 : x
  2. Step 2: Convert to fraction form
    12,344,805.81/18,519,808.85 = 4,668,280.71/x
  3. Step 3: Cross multiply
    12,344,805.81x = 18,519,808.85 × 4,668,280.71
  4. Step 4: Simplify right side
    12,344,805.81x = 86,455,666,465,689.72
  5. Step 5: Solve for x
    x = 86,455,666,465,689.72/12,344,805.81
  6. Step 6: Final answer
    x = 7,003,404.33

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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.