Home / 9,279,018.90-12,804,006.87-5,149,224.10

Finding the Fourth Proportional to 9,279,018.90, 12,804,006.87 and 5,149,224.10

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Solution

The fourth proportional to 9,279,018.90, 12,804,006.87 and 5,149,224.10 is: 7,105,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279,018.90 : 12,804,006.87 = 5,149,224.10 : x
  2. Step 2: Convert to fraction form
    9,279,018.90/12,804,006.87 = 5,149,224.10/x
  3. Step 3: Cross multiply
    9,279,018.90x = 12,804,006.87 × 5,149,224.10
  4. Step 4: Simplify right side
    9,279,018.90x = 65,930,700,767,574.58
  5. Step 5: Solve for x
    x = 65,930,700,767,574.58/9,279,018.90
  6. Step 6: Final answer
    x = 7,105,352.57

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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.