Home / 15,420,092.77-21,279,728.02-8,544,574.83

Finding the Fourth Proportional to 15,420,092.77, 21,279,728.02 and 8,544,574.83

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Solution

The fourth proportional to 15,420,092.77, 21,279,728.02 and 8,544,574.83 is: 11,791,513.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420,092.77 : 21,279,728.02 = 8,544,574.83 : x
  2. Step 2: Convert to fraction form
    15,420,092.77/21,279,728.02 = 8,544,574.83/x
  3. Step 3: Cross multiply
    15,420,092.77x = 21,279,728.02 × 8,544,574.83
  4. Step 4: Simplify right side
    15,420,092.77x = 181,826,228,359,662
  5. Step 5: Solve for x
    x = 181,826,228,359,662/15,420,092.77
  6. Step 6: Final answer
    x = 11,791,513.26

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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.