Home / 18,677,630.40-28,016,445.60-7,314,302.40

Finding the Fourth Proportional to 18,677,630.40, 28,016,445.60 and 7,314,302.40

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Solution

The fourth proportional to 18,677,630.40, 28,016,445.60 and 7,314,302.40 is: 10,971,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,630.40 : 28,016,445.60 = 7,314,302.40 : x
  2. Step 2: Convert to fraction form
    18,677,630.40/28,016,445.60 = 7,314,302.40/x
  3. Step 3: Cross multiply
    18,677,630.40x = 28,016,445.60 × 7,314,302.40
  4. Step 4: Simplify right side
    18,677,630.40x = 204,920,755,291,549.47
  5. Step 5: Solve for x
    x = 204,920,755,291,549.47/18,677,630.40
  6. Step 6: Final answer
    x = 10,971,453.60

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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.