Home / 28,228,577.19-42,343,157.90-8,532,867.56

Finding the Fourth Proportional to 28,228,577.19, 42,343,157.90 and 8,532,867.56

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Solution

The fourth proportional to 28,228,577.19, 42,343,157.90 and 8,532,867.56 is: 12,799,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228,577.19 : 42,343,157.90 = 8,532,867.56 : x
  2. Step 2: Convert to fraction form
    28,228,577.19/42,343,157.90 = 8,532,867.56/x
  3. Step 3: Cross multiply
    28,228,577.19x = 42,343,157.90 × 8,532,867.56
  4. Step 4: Simplify right side
    28,228,577.19x = 361,308,558,432,867.75
  5. Step 5: Solve for x
    x = 361,308,558,432,867.75/28,228,577.19
  6. Step 6: Final answer
    x = 12,799,389.64

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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.