Home / 15,719,901.42-21,693,310.84-8,750,468.46

Finding the Fourth Proportional to 15,719,901.42, 21,693,310.84 and 8,750,468.46

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Solution

The fourth proportional to 15,719,901.42, 21,693,310.84 and 8,750,468.46 is: 12,075,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719,901.42 : 21,693,310.84 = 8,750,468.46 : x
  2. Step 2: Convert to fraction form
    15,719,901.42/21,693,310.84 = 8,750,468.46/x
  3. Step 3: Cross multiply
    15,719,901.42x = 21,693,310.84 × 8,750,468.46
  4. Step 4: Simplify right side
    15,719,901.42x = 189,826,632,298,396.12
  5. Step 5: Solve for x
    x = 189,826,632,298,396.12/15,719,901.42
  6. Step 6: Final answer
    x = 12,075,561.24

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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.