Home / 7,123,251.78-9,829,801.98-4,182,677.19

Finding the Fourth Proportional to 7,123,251.78, 9,829,801.98 and 4,182,677.19

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Solution

The fourth proportional to 7,123,251.78, 9,829,801.98 and 4,182,677.19 is: 5,771,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,251.78 : 9,829,801.98 = 4,182,677.19 : x
  2. Step 2: Convert to fraction form
    7,123,251.78/9,829,801.98 = 4,182,677.19/x
  3. Step 3: Cross multiply
    7,123,251.78x = 9,829,801.98 × 4,182,677.19
  4. Step 4: Simplify right side
    7,123,251.78x = 41,114,888,523,962.84
  5. Step 5: Solve for x
    x = 41,114,888,523,962.84/7,123,251.78
  6. Step 6: Final answer
    x = 5,771,926.89

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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.