Home / 7,160,875.17-9,882,216.72-3,897,900.33

Finding the Fourth Proportional to 7,160,875.17, 9,882,216.72 and 3,897,900.33

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Solution

The fourth proportional to 7,160,875.17, 9,882,216.72 and 3,897,900.33 is: 5,379,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,875.17 : 9,882,216.72 = 3,897,900.33 : x
  2. Step 2: Convert to fraction form
    7,160,875.17/9,882,216.72 = 3,897,900.33/x
  3. Step 3: Cross multiply
    7,160,875.17x = 9,882,216.72 × 3,897,900.33
  4. Step 4: Simplify right side
    7,160,875.17x = 38,519,895,814,019.52
  5. Step 5: Solve for x
    x = 38,519,895,814,019.52/7,160,875.17
  6. Step 6: Final answer
    x = 5,379,216.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.