Home / 39,139,635.11-54,011,216.70-21,737,101.32

Finding the Fourth Proportional to 39,139,635.11, 54,011,216.70 and 21,737,101.32

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Solution

The fourth proportional to 39,139,635.11, 54,011,216.70 and 21,737,101.32 is: 29,996,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139,635.11 : 54,011,216.70 = 21,737,101.32 : x
  2. Step 2: Convert to fraction form
    39,139,635.11/54,011,216.70 = 21,737,101.32/x
  3. Step 3: Cross multiply
    39,139,635.11x = 54,011,216.70 × 21,737,101.32
  4. Step 4: Simplify right side
    39,139,635.11x = 1,174,047,289,824,376
  5. Step 5: Solve for x
    x = 1,174,047,289,824,376/39,139,635.11
  6. Step 6: Final answer
    x = 29,996,378.01

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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.