Home / 13,634,309.04-18,822,164.76-8,479,331.52

Finding the Fourth Proportional to 13,634,309.04, 18,822,164.76 and 8,479,331.52

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Solution

The fourth proportional to 13,634,309.04, 18,822,164.76 and 8,479,331.52 is: 11,705,717.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634,309.04 : 18,822,164.76 = 8,479,331.52 : x
  2. Step 2: Convert to fraction form
    13,634,309.04/18,822,164.76 = 8,479,331.52/x
  3. Step 3: Cross multiply
    13,634,309.04x = 18,822,164.76 × 8,479,331.52
  4. Step 4: Simplify right side
    13,634,309.04x = 159,599,374,924,101.25
  5. Step 5: Solve for x
    x = 159,599,374,924,101.25/13,634,309.04
  6. Step 6: Final answer
    x = 11,705,717.87

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1.5x scale

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.