Home / 15,246,185.19-21,039,776.96-8,371,112.55

Finding the Fourth Proportional to 15,246,185.19, 21,039,776.96 and 8,371,112.55

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Solution

The fourth proportional to 15,246,185.19, 21,039,776.96 and 8,371,112.55 is: 11,552,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246,185.19 : 21,039,776.96 = 8,371,112.55 : x
  2. Step 2: Convert to fraction form
    15,246,185.19/21,039,776.96 = 8,371,112.55/x
  3. Step 3: Cross multiply
    15,246,185.19x = 21,039,776.96 × 8,371,112.55
  4. Step 4: Simplify right side
    15,246,185.19x = 176,126,340,917,201.28
  5. Step 5: Solve for x
    x = 176,126,340,917,201.28/15,246,185.19
  6. Step 6: Final answer
    x = 11,552,158.05

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1.5x scale

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.