Home / 20,592,616.88-28,417,733.88-11,300,343.32

Finding the Fourth Proportional to 20,592,616.88, 28,417,733.88 and 11,300,343.32

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Solution

The fourth proportional to 20,592,616.88, 28,417,733.88 and 11,300,343.32 is: 15,594,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592,616.88 : 28,417,733.88 = 11,300,343.32 : x
  2. Step 2: Convert to fraction form
    20,592,616.88/28,417,733.88 = 11,300,343.32/x
  3. Step 3: Cross multiply
    20,592,616.88x = 28,417,733.88 × 11,300,343.32
  4. Step 4: Simplify right side
    20,592,616.88x = 321,130,149,220,395.69
  5. Step 5: Solve for x
    x = 321,130,149,220,395.69/20,592,616.88
  6. Step 6: Final answer
    x = 15,594,431.30

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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.