Home / 12,475,615.20-18,676,681.20-9,294,842.40

Finding the Fourth Proportional to 12,475,615.20, 18,676,681.20 and 9,294,842.40

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Solution

The fourth proportional to 12,475,615.20, 18,676,681.20 and 9,294,842.40 is: 13,914,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,615.20 : 18,676,681.20 = 9,294,842.40 : x
  2. Step 2: Convert to fraction form
    12,475,615.20/18,676,681.20 = 9,294,842.40/x
  3. Step 3: Cross multiply
    12,475,615.20x = 18,676,681.20 × 9,294,842.40
  4. Step 4: Simplify right side
    12,475,615.20x = 173,596,808,309,042.88
  5. Step 5: Solve for x
    x = 173,596,808,309,042.88/12,475,615.20
  6. Step 6: Final answer
    x = 13,914,889.61

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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.