Home / 28,653,677.80-42,980,516.70-25,767,226.60

Finding the Fourth Proportional to 28,653,677.80, 42,980,516.70 and 25,767,226.60

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Solution

The fourth proportional to 28,653,677.80, 42,980,516.70 and 25,767,226.60 is: 38,650,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653,677.80 : 42,980,516.70 = 25,767,226.60 : x
  2. Step 2: Convert to fraction form
    28,653,677.80/42,980,516.70 = 25,767,226.60/x
  3. Step 3: Cross multiply
    28,653,677.80x = 42,980,516.70 × 25,767,226.60
  4. Step 4: Simplify right side
    28,653,677.80x = 1,107,488,713,193,984.38
  5. Step 5: Solve for x
    x = 1,107,488,713,193,984.38/28,653,677.80
  6. Step 6: Final answer
    x = 38,650,839.90

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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.