Home / 21,519,464.40-32,279,341.93-7,866,994.46

Finding the Fourth Proportional to 21,519,464.40, 32,279,341.93 and 7,866,994.46

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Solution

The fourth proportional to 21,519,464.40, 32,279,341.93 and 7,866,994.46 is: 11,800,544.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519,464.40 : 32,279,341.93 = 7,866,994.46 : x
  2. Step 2: Convert to fraction form
    21,519,464.40/32,279,341.93 = 7,866,994.46/x
  3. Step 3: Cross multiply
    21,519,464.40x = 32,279,341.93 × 7,866,994.46
  4. Step 4: Simplify right side
    21,519,464.40x = 253,941,403,954,691.50
  5. Step 5: Solve for x
    x = 253,941,403,954,691.50/21,519,464.40
  6. Step 6: Final answer
    x = 11,800,544.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.