Home / 18,445,092.80-27,667,639.20-12,944,678.45

Finding the Fourth Proportional to 18,445,092.80, 27,667,639.20 and 12,944,678.45

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Solution

The fourth proportional to 18,445,092.80, 27,667,639.20 and 12,944,678.45 is: 19,417,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,092.80 : 27,667,639.20 = 12,944,678.45 : x
  2. Step 2: Convert to fraction form
    18,445,092.80/27,667,639.20 = 12,944,678.45/x
  3. Step 3: Cross multiply
    18,445,092.80x = 27,667,639.20 × 12,944,678.45
  4. Step 4: Simplify right side
    18,445,092.80x = 358,148,692,914,615.19
  5. Step 5: Solve for x
    x = 358,148,692,914,615.19/18,445,092.80
  6. Step 6: Final answer
    x = 19,417,017.68

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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.