Home / 13,456,026.40-20,187,253.68-4,480,656.16

Finding the Fourth Proportional to 13,456,026.40, 20,187,253.68 and 4,480,656.16

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Solution

The fourth proportional to 13,456,026.40, 20,187,253.68 and 4,480,656.16 is: 6,722,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,026.40 : 20,187,253.68 = 4,480,656.16 : x
  2. Step 2: Convert to fraction form
    13,456,026.40/20,187,253.68 = 4,480,656.16/x
  3. Step 3: Cross multiply
    13,456,026.40x = 20,187,253.68 × 4,480,656.16
  4. Step 4: Simplify right side
    13,456,026.40x = 90,452,142,554,774.67
  5. Step 5: Solve for x
    x = 90,452,142,554,774.67/13,456,026.40
  6. Step 6: Final answer
    x = 6,722,054.48

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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.