Home / 18,172,875.67-25,111,227.11-13,814,395.18

Finding the Fourth Proportional to 18,172,875.67, 25,111,227.11 and 13,814,395.18

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Solution

The fourth proportional to 18,172,875.67, 25,111,227.11 and 13,814,395.18 is: 19,088,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,875.67 : 25,111,227.11 = 13,814,395.18 : x
  2. Step 2: Convert to fraction form
    18,172,875.67/25,111,227.11 = 13,814,395.18/x
  3. Step 3: Cross multiply
    18,172,875.67x = 25,111,227.11 × 13,814,395.18
  4. Step 4: Simplify right side
    18,172,875.67x = 346,896,414,620,419.31
  5. Step 5: Solve for x
    x = 346,896,414,620,419.31/18,172,875.67
  6. Step 6: Final answer
    x = 19,088,691.35

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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.