Home / 15,566,742.95-21,482,146.95-8,691,471.05

Finding the Fourth Proportional to 15,566,742.95, 21,482,146.95 and 8,691,471.05

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Solution

The fourth proportional to 15,566,742.95, 21,482,146.95 and 8,691,471.05 is: 11,994,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566,742.95 : 21,482,146.95 = 8,691,471.05 : x
  2. Step 2: Convert to fraction form
    15,566,742.95/21,482,146.95 = 8,691,471.05/x
  3. Step 3: Cross multiply
    15,566,742.95x = 21,482,146.95 × 8,691,471.05
  4. Step 4: Simplify right side
    15,566,742.95x = 186,711,458,307,770.81
  5. Step 5: Solve for x
    x = 186,711,458,307,770.81/15,566,742.95
  6. Step 6: Final answer
    x = 11,994,253.32

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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.