Home / 20,087,726.86-27,719,885.90-10,920,289.42

Finding the Fourth Proportional to 20,087,726.86, 27,719,885.90 and 10,920,289.42

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Solution

The fourth proportional to 20,087,726.86, 27,719,885.90 and 10,920,289.42 is: 15,069,359.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087,726.86 : 27,719,885.90 = 10,920,289.42 : x
  2. Step 2: Convert to fraction form
    20,087,726.86/27,719,885.90 = 10,920,289.42/x
  3. Step 3: Cross multiply
    20,087,726.86x = 27,719,885.90 × 10,920,289.42
  4. Step 4: Simplify right side
    20,087,726.86x = 302,709,176,717,377.19
  5. Step 5: Solve for x
    x = 302,709,176,717,377.19/20,087,726.86
  6. Step 6: Final answer
    x = 15,069,359.46

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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.