Home / 10,931,445.06-16,384,122.12-5,087,767.28

Finding the Fourth Proportional to 10,931,445.06, 16,384,122.12 and 5,087,767.28

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Solution

The fourth proportional to 10,931,445.06, 16,384,122.12 and 5,087,767.28 is: 7,625,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,445.06 : 16,384,122.12 = 5,087,767.28 : x
  2. Step 2: Convert to fraction form
    10,931,445.06/16,384,122.12 = 5,087,767.28/x
  3. Step 3: Cross multiply
    10,931,445.06x = 16,384,122.12 × 5,087,767.28
  4. Step 4: Simplify right side
    10,931,445.06x = 83,358,600,433,660.23
  5. Step 5: Solve for x
    x = 83,358,600,433,660.23/10,931,445.06
  6. Step 6: Final answer
    x = 7,625,579.23

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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.