Home / 13,645,820.16-20,456,679.87-5,565,555

Finding the Fourth Proportional to 13,645,820.16, 20,456,679.87 and 5,565,555

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Solution

The fourth proportional to 13,645,820.16, 20,456,679.87 and 5,565,555 is: 8,343,417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645,820.16 : 20,456,679.87 = 5,565,555 : x
  2. Step 2: Convert to fraction form
    13,645,820.16/20,456,679.87 = 5,565,555/x
  3. Step 3: Cross multiply
    13,645,820.16x = 20,456,679.87 × 5,565,555
  4. Step 4: Simplify right side
    13,645,820.16x = 113,852,776,933,877.86
  5. Step 5: Solve for x
    x = 113,852,776,933,877.86/13,645,820.16
  6. Step 6: Final answer
    x = 8,343,417.66

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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.