Home / 12,528,094.80-18,792,142.20-9,693,742.80

Finding the Fourth Proportional to 12,528,094.80, 18,792,142.20 and 9,693,742.80

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Solution

The fourth proportional to 12,528,094.80, 18,792,142.20 and 9,693,742.80 is: 14,540,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,094.80 : 18,792,142.20 = 9,693,742.80 : x
  2. Step 2: Convert to fraction form
    12,528,094.80/18,792,142.20 = 9,693,742.80/x
  3. Step 3: Cross multiply
    12,528,094.80x = 18,792,142.20 × 9,693,742.80
  4. Step 4: Simplify right side
    12,528,094.80x = 182,166,193,147,826.16
  5. Step 5: Solve for x
    x = 182,166,193,147,826.16/12,528,094.80
  6. Step 6: Final answer
    x = 14,540,614.20

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Double scale
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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.