Home / 18,013,529.61-24,858,419.27-9,864,765.45

Finding the Fourth Proportional to 18,013,529.61, 24,858,419.27 and 9,864,765.45

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Solution

The fourth proportional to 18,013,529.61, 24,858,419.27 and 9,864,765.45 is: 13,613,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013,529.61 : 24,858,419.27 = 9,864,765.45 : x
  2. Step 2: Convert to fraction form
    18,013,529.61/24,858,419.27 = 9,864,765.45/x
  3. Step 3: Cross multiply
    18,013,529.61x = 24,858,419.27 × 9,864,765.45
  4. Step 4: Simplify right side
    18,013,529.61x = 245,222,475,506,986.38
  5. Step 5: Solve for x
    x = 245,222,475,506,986.38/18,013,529.61
  6. Step 6: Final answer
    x = 13,613,238.54

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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.