Home / 12,315,246-18,473,481.36-8,725,066.80

Finding the Fourth Proportional to 12,315,246, 18,473,481.36 and 8,725,066.80

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Solution

The fourth proportional to 12,315,246, 18,473,481.36 and 8,725,066.80 is: 13,088,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,315,246 : 18,473,481.36 = 8,725,066.80 : x
  2. Step 2: Convert to fraction form
    12,315,246/18,473,481.36 = 8,725,066.80/x
  3. Step 3: Cross multiply
    12,315,246x = 18,473,481.36 × 8,725,066.80
  4. Step 4: Simplify right side
    12,315,246x = 161,182,358,894,554.84
  5. Step 5: Solve for x
    x = 161,182,358,894,554.84/12,315,246
  6. Step 6: Final answer
    x = 13,088,034.04

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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.