Home / 15,080,565.20-22,620,847.80-7,889,320.40

Finding the Fourth Proportional to 15,080,565.20, 22,620,847.80 and 7,889,320.40

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Solution

The fourth proportional to 15,080,565.20, 22,620,847.80 and 7,889,320.40 is: 11,833,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,080,565.20 : 22,620,847.80 = 7,889,320.40 : x
  2. Step 2: Convert to fraction form
    15,080,565.20/22,620,847.80 = 7,889,320.40/x
  3. Step 3: Cross multiply
    15,080,565.20x = 22,620,847.80 × 7,889,320.40
  4. Step 4: Simplify right side
    15,080,565.20x = 178,463,116,013,835.12
  5. Step 5: Solve for x
    x = 178,463,116,013,835.12/15,080,565.20
  6. Step 6: Final answer
    x = 11,833,980.60

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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.