Home / 10,875,298.72-16,312,947.17-5,178,251.20

Finding the Fourth Proportional to 10,875,298.72, 16,312,947.17 and 5,178,251.20

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Solution

The fourth proportional to 10,875,298.72, 16,312,947.17 and 5,178,251.20 is: 7,767,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875,298.72 : 16,312,947.17 = 5,178,251.20 : x
  2. Step 2: Convert to fraction form
    10,875,298.72/16,312,947.17 = 5,178,251.20/x
  3. Step 3: Cross multiply
    10,875,298.72x = 16,312,947.17 × 5,178,251.20
  4. Step 4: Simplify right side
    10,875,298.72x = 84,472,538,258,589.11
  5. Step 5: Solve for x
    x = 84,472,538,258,589.11/10,875,298.72
  6. Step 6: Final answer
    x = 7,767,376.37

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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.