Home / 9,191,985.12-13,788,921.60-3,516,982.56

Finding the Fourth Proportional to 9,191,985.12, 13,788,921.60 and 3,516,982.56

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Solution

The fourth proportional to 9,191,985.12, 13,788,921.60 and 3,516,982.56 is: 5,275,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191,985.12 : 13,788,921.60 = 3,516,982.56 : x
  2. Step 2: Convert to fraction form
    9,191,985.12/13,788,921.60 = 3,516,982.56/x
  3. Step 3: Cross multiply
    9,191,985.12x = 13,788,921.60 × 3,516,982.56
  4. Step 4: Simplify right side
    9,191,985.12x = 48,495,396,788,407.30
  5. Step 5: Solve for x
    x = 48,495,396,788,407.30/9,191,985.12
  6. Step 6: Final answer
    x = 5,275,835.00

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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.