Home / 12,475,608.20-18,676,670.70-9,294,835.40

Finding the Fourth Proportional to 12,475,608.20, 18,676,670.70 and 9,294,835.40

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Solution

The fourth proportional to 12,475,608.20, 18,676,670.70 and 9,294,835.40 is: 13,914,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,608.20 : 18,676,670.70 = 9,294,835.40 : x
  2. Step 2: Convert to fraction form
    12,475,608.20/18,676,670.70 = 9,294,835.40/x
  3. Step 3: Cross multiply
    12,475,608.20x = 18,676,670.70 × 9,294,835.40
  4. Step 4: Simplify right side
    12,475,608.20x = 173,596,579,976,502.78
  5. Step 5: Solve for x
    x = 173,596,579,976,502.78/12,475,608.20
  6. Step 6: Final answer
    x = 13,914,879.11

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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.