Home / 52,217,588.12-78,326,382.76-18,138,966.80

Finding the Fourth Proportional to 52,217,588.12, 78,326,382.76 and 18,138,966.80

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Solution

The fourth proportional to 52,217,588.12, 78,326,382.76 and 18,138,966.80 is: 27,208,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,217,588.12 : 78,326,382.76 = 18,138,966.80 : x
  2. Step 2: Convert to fraction form
    52,217,588.12/78,326,382.76 = 18,138,966.80/x
  3. Step 3: Cross multiply
    52,217,588.12x = 78,326,382.76 × 18,138,966.80
  4. Step 4: Simplify right side
    52,217,588.12x = 1,420,759,656,447,732.50
  5. Step 5: Solve for x
    x = 1,420,759,656,447,732.50/52,217,588.12
  6. Step 6: Final answer
    x = 27,208,450.40

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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.