Home / 28,911,541.12-39,899,178.24-17,306,859.76

Finding the Fourth Proportional to 28,911,541.12, 39,899,178.24 and 17,306,859.76

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Solution

The fourth proportional to 28,911,541.12, 39,899,178.24 and 17,306,859.76 is: 23,884,215.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911,541.12 : 39,899,178.24 = 17,306,859.76 : x
  2. Step 2: Convert to fraction form
    28,911,541.12/39,899,178.24 = 17,306,859.76/x
  3. Step 3: Cross multiply
    28,911,541.12x = 39,899,178.24 × 17,306,859.76
  4. Step 4: Simplify right side
    28,911,541.12x = 690,529,482,338,923.75
  5. Step 5: Solve for x
    x = 690,529,482,338,923.75/28,911,541.12
  6. Step 6: Final answer
    x = 23,884,215.63

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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.