Home / 28,089,200.32-38,766,248.88-15,866,844.64

Finding the Fourth Proportional to 28,089,200.32, 38,766,248.88 and 15,866,844.64

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Solution

The fourth proportional to 28,089,200.32, 38,766,248.88 and 15,866,844.64 is: 21,898,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089,200.32 : 38,766,248.88 = 15,866,844.64 : x
  2. Step 2: Convert to fraction form
    28,089,200.32/38,766,248.88 = 15,866,844.64/x
  3. Step 3: Cross multiply
    28,089,200.32x = 38,766,248.88 × 15,866,844.64
  4. Step 4: Simplify right side
    28,089,200.32x = 615,098,048,254,534.12
  5. Step 5: Solve for x
    x = 615,098,048,254,534.12/28,089,200.32
  6. Step 6: Final answer
    x = 21,898,026.33

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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.