Home / 12,488,759.20-18,705,145.20-10,249,271.20

Finding the Fourth Proportional to 12,488,759.20, 18,705,145.20 and 10,249,271.20

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Solution

The fourth proportional to 12,488,759.20, 18,705,145.20 and 10,249,271.20 is: 15,350,933.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488,759.20 : 18,705,145.20 = 10,249,271.20 : x
  2. Step 2: Convert to fraction form
    12,488,759.20/18,705,145.20 = 10,249,271.20/x
  3. Step 3: Cross multiply
    12,488,759.20x = 18,705,145.20 × 10,249,271.20
  4. Step 4: Simplify right side
    12,488,759.20x = 191,714,105,990,178.22
  5. Step 5: Solve for x
    x = 191,714,105,990,178.22/12,488,759.20
  6. Step 6: Final answer
    x = 15,350,933.02

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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.