Home / 10,579,407.57-15,874,126.29-5,111,437.28

Finding the Fourth Proportional to 10,579,407.57, 15,874,126.29 and 5,111,437.28

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Solution

The fourth proportional to 10,579,407.57, 15,874,126.29 and 5,111,437.28 is: 7,669,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579,407.57 : 15,874,126.29 = 5,111,437.28 : x
  2. Step 2: Convert to fraction form
    10,579,407.57/15,874,126.29 = 5,111,437.28/x
  3. Step 3: Cross multiply
    10,579,407.57x = 15,874,126.29 × 5,111,437.28
  4. Step 4: Simplify right side
    10,579,407.57x = 81,139,600,826,763.47
  5. Step 5: Solve for x
    x = 81,139,600,826,763.47/10,579,407.57
  6. Step 6: Final answer
    x = 7,669,578.88

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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.