Home / 12,115,251.95-16,740,820.14-9,209,598.29

Finding the Fourth Proportional to 12,115,251.95, 16,740,820.14 and 9,209,598.29

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Solution

The fourth proportional to 12,115,251.95, 16,740,820.14 and 9,209,598.29 is: 12,725,796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,251.95 : 16,740,820.14 = 9,209,598.29 : x
  2. Step 2: Convert to fraction form
    12,115,251.95/16,740,820.14 = 9,209,598.29/x
  3. Step 3: Cross multiply
    12,115,251.95x = 16,740,820.14 × 9,209,598.29
  4. Step 4: Simplify right side
    12,115,251.95x = 154,176,228,450,837.47
  5. Step 5: Solve for x
    x = 154,176,228,450,837.47/12,115,251.95
  6. Step 6: Final answer
    x = 12,725,796.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.