Home / 15,138,008.14-20,917,777.62-10,779,527.64

Finding the Fourth Proportional to 15,138,008.14, 20,917,777.62 and 10,779,527.64

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Solution

The fourth proportional to 15,138,008.14, 20,917,777.62 and 10,779,527.64 is: 14,895,206.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138,008.14 : 20,917,777.62 = 10,779,527.64 : x
  2. Step 2: Convert to fraction form
    15,138,008.14/20,917,777.62 = 10,779,527.64/x
  3. Step 3: Cross multiply
    15,138,008.14x = 20,917,777.62 × 10,779,527.64
  4. Step 4: Simplify right side
    15,138,008.14x = 225,483,761,962,730.97
  5. Step 5: Solve for x
    x = 225,483,761,962,730.97/15,138,008.14
  6. Step 6: Final answer
    x = 14,895,206.81

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1.5x scale

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.