Home / 20,539,298.64-30,797,422.20-14,069,686.32

Finding the Fourth Proportional to 20,539,298.64, 30,797,422.20 and 14,069,686.32

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Solution

The fourth proportional to 20,539,298.64, 30,797,422.20 and 14,069,686.32 is: 21,096,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539,298.64 : 30,797,422.20 = 14,069,686.32 : x
  2. Step 2: Convert to fraction form
    20,539,298.64/30,797,422.20 = 14,069,686.32/x
  3. Step 3: Cross multiply
    20,539,298.64x = 30,797,422.20 × 14,069,686.32
  4. Step 4: Simplify right side
    20,539,298.64x = 433,310,069,818,604.31
  5. Step 5: Solve for x
    x = 433,310,069,818,604.31/20,539,298.64
  6. Step 6: Final answer
    x = 21,096,634.18

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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.