Home / 56,664,479.60-84,996,719.40-18,329,868.80

Finding the Fourth Proportional to 56,664,479.60, 84,996,719.40 and 18,329,868.80

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Solution

The fourth proportional to 56,664,479.60, 84,996,719.40 and 18,329,868.80 is: 27,494,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,664,479.60 : 84,996,719.40 = 18,329,868.80 : x
  2. Step 2: Convert to fraction form
    56,664,479.60/84,996,719.40 = 18,329,868.80/x
  3. Step 3: Cross multiply
    56,664,479.60x = 84,996,719.40 × 18,329,868.80
  4. Step 4: Simplify right side
    56,664,479.60x = 1,557,978,715,032,415
  5. Step 5: Solve for x
    x = 1,557,978,715,032,415/56,664,479.60
  6. Step 6: Final answer
    x = 27,494,803.20

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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.