Home / 28,731,501.10-43,118,246.85-20,228,445.10

Finding the Fourth Proportional to 28,731,501.10, 43,118,246.85 and 20,228,445.10

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Solution

The fourth proportional to 28,731,501.10, 43,118,246.85 and 20,228,445.10 is: 30,357,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731,501.10 : 43,118,246.85 = 20,228,445.10 : x
  2. Step 2: Convert to fraction form
    28,731,501.10/43,118,246.85 = 20,228,445.10/x
  3. Step 3: Cross multiply
    28,731,501.10x = 43,118,246.85 × 20,228,445.10
  4. Step 4: Simplify right side
    28,731,501.10x = 872,215,089,213,473
  5. Step 5: Solve for x
    x = 872,215,089,213,473/28,731,501.10
  6. Step 6: Final answer
    x = 30,357,449.34

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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.