Home / 8,671,643.29-11,961,449.65-5,578,195.34

Finding the Fourth Proportional to 8,671,643.29, 11,961,449.65 and 5,578,195.34

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Solution

The fourth proportional to 8,671,643.29, 11,961,449.65 and 5,578,195.34 is: 7,694,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671,643.29 : 11,961,449.65 = 5,578,195.34 : x
  2. Step 2: Convert to fraction form
    8,671,643.29/11,961,449.65 = 5,578,195.34/x
  3. Step 3: Cross multiply
    8,671,643.29x = 11,961,449.65 × 5,578,195.34
  4. Step 4: Simplify right side
    8,671,643.29x = 66,723,302,734,151
  5. Step 5: Solve for x
    x = 66,723,302,734,151/8,671,643.29
  6. Step 6: Final answer
    x = 7,694,424.29

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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.