Home / 18,291,566.40-27,437,349.60-6,156,996.90

Finding the Fourth Proportional to 18,291,566.40, 27,437,349.60 and 6,156,996.90

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Solution

The fourth proportional to 18,291,566.40, 27,437,349.60 and 6,156,996.90 is: 9,235,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291,566.40 : 27,437,349.60 = 6,156,996.90 : x
  2. Step 2: Convert to fraction form
    18,291,566.40/27,437,349.60 = 6,156,996.90/x
  3. Step 3: Cross multiply
    18,291,566.40x = 27,437,349.60 × 6,156,996.90
  4. Step 4: Simplify right side
    18,291,566.40x = 168,931,676,431,416.25
  5. Step 5: Solve for x
    x = 168,931,676,431,416.25/18,291,566.40
  6. Step 6: Final answer
    x = 9,235,495.35

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Similar ratio
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1.5x scale

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.