Home / 18,489,235.28-25,514,211.08-10,116,423.83

Finding the Fourth Proportional to 18,489,235.28, 25,514,211.08 and 10,116,423.83

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Solution

The fourth proportional to 18,489,235.28, 25,514,211.08 and 10,116,423.83 is: 13,960,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489,235.28 : 25,514,211.08 = 10,116,423.83 : x
  2. Step 2: Convert to fraction form
    18,489,235.28/25,514,211.08 = 10,116,423.83/x
  3. Step 3: Cross multiply
    18,489,235.28x = 25,514,211.08 × 10,116,423.83
  4. Step 4: Simplify right side
    18,489,235.28x = 258,112,572,795,208.84
  5. Step 5: Solve for x
    x = 258,112,572,795,208.84/18,489,235.28
  6. Step 6: Final answer
    x = 13,960,154.05

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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.