Home / 15,521,848.13-21,420,812.40-8,646,333.23

Finding the Fourth Proportional to 15,521,848.13, 21,420,812.40 and 8,646,333.23

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Solution

The fourth proportional to 15,521,848.13, 21,420,812.40 and 8,646,333.23 is: 11,932,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521,848.13 : 21,420,812.40 = 8,646,333.23 : x
  2. Step 2: Convert to fraction form
    15,521,848.13/21,420,812.40 = 8,646,333.23/x
  3. Step 3: Cross multiply
    15,521,848.13x = 21,420,812.40 × 8,646,333.23
  4. Step 4: Simplify right side
    15,521,848.13x = 185,211,482,067,716.06
  5. Step 5: Solve for x
    x = 185,211,482,067,716.06/15,521,848.13
  6. Step 6: Final answer
    x = 11,932,308.61

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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.