Home / 13,655,782.64-20,489,182.12-6,077,565.36

Finding the Fourth Proportional to 13,655,782.64, 20,489,182.12 and 6,077,565.36

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Solution

The fourth proportional to 13,655,782.64, 20,489,182.12 and 6,077,565.36 is: 9,118,799.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655,782.64 : 20,489,182.12 = 6,077,565.36 : x
  2. Step 2: Convert to fraction form
    13,655,782.64/20,489,182.12 = 6,077,565.36/x
  3. Step 3: Cross multiply
    13,655,782.64x = 20,489,182.12 × 6,077,565.36
  4. Step 4: Simplify right side
    13,655,782.64x = 124,524,343,507,243.38
  5. Step 5: Solve for x
    x = 124,524,343,507,243.38/13,655,782.64
  6. Step 6: Final answer
    x = 9,118,799.47

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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.