Home / 18,260,128.08-25,198,666.92-10,111,191.12

Finding the Fourth Proportional to 18,260,128.08, 25,198,666.92 and 10,111,191.12

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Solution

The fourth proportional to 18,260,128.08, 25,198,666.92 and 10,111,191.12 is: 13,953,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260,128.08 : 25,198,666.92 = 10,111,191.12 : x
  2. Step 2: Convert to fraction form
    18,260,128.08/25,198,666.92 = 10,111,191.12/x
  3. Step 3: Cross multiply
    18,260,128.08x = 25,198,666.92 × 10,111,191.12
  4. Step 4: Simplify right side
    18,260,128.08x = 254,788,537,197,341.75
  5. Step 5: Solve for x
    x = 254,788,537,197,341.75/18,260,128.08
  6. Step 6: Final answer
    x = 13,953,272.18

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Double scale
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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.