Home / 14,644,565.74-20,209,500.40-8,118,178.66

Finding the Fourth Proportional to 14,644,565.74, 20,209,500.40 and 8,118,178.66

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Solution

The fourth proportional to 14,644,565.74, 20,209,500.40 and 8,118,178.66 is: 11,203,086.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644,565.74 : 20,209,500.40 = 8,118,178.66 : x
  2. Step 2: Convert to fraction form
    14,644,565.74/20,209,500.40 = 8,118,178.66/x
  3. Step 3: Cross multiply
    14,644,565.74x = 20,209,500.40 × 8,118,178.66
  4. Step 4: Simplify right side
    14,644,565.74x = 164,064,334,876,541.47
  5. Step 5: Solve for x
    x = 164,064,334,876,541.47/14,644,565.74
  6. Step 6: Final answer
    x = 11,203,086.37

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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.