Home / 12,104,501.48-18,153,209.16-9,969,289.64

Finding the Fourth Proportional to 12,104,501.48, 18,153,209.16 and 9,969,289.64

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Solution

The fourth proportional to 12,104,501.48, 18,153,209.16 and 9,969,289.64 is: 14,951,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,501.48 : 18,153,209.16 = 9,969,289.64 : x
  2. Step 2: Convert to fraction form
    12,104,501.48/18,153,209.16 = 9,969,289.64/x
  3. Step 3: Cross multiply
    12,104,501.48x = 18,153,209.16 × 9,969,289.64
  4. Step 4: Simplify right side
    12,104,501.48x = 180,974,600,011,541.12
  5. Step 5: Solve for x
    x = 180,974,600,011,541.12/12,104,501.48
  6. Step 6: Final answer
    x = 14,951,016.39

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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.