Home / 12,961,316.12-17,887,159.69-7,454,692.51

Finding the Fourth Proportional to 12,961,316.12, 17,887,159.69 and 7,454,692.51

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Solution

The fourth proportional to 12,961,316.12, 17,887,159.69 and 7,454,692.51 is: 10,287,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,316.12 : 17,887,159.69 = 7,454,692.51 : x
  2. Step 2: Convert to fraction form
    12,961,316.12/17,887,159.69 = 7,454,692.51/x
  3. Step 3: Cross multiply
    12,961,316.12x = 17,887,159.69 × 7,454,692.51
  4. Step 4: Simplify right side
    12,961,316.12x = 133,343,275,366,216.92
  5. Step 5: Solve for x
    x = 133,343,275,366,216.92/12,961,316.12
  6. Step 6: Final answer
    x = 10,287,788.23

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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.