Home / 10,306,043.40-15,459,065.10-8,936,106.60

Finding the Fourth Proportional to 10,306,043.40, 15,459,065.10 and 8,936,106.60

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Solution

The fourth proportional to 10,306,043.40, 15,459,065.10 and 8,936,106.60 is: 13,404,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,043.40 : 15,459,065.10 = 8,936,106.60 : x
  2. Step 2: Convert to fraction form
    10,306,043.40/15,459,065.10 = 8,936,106.60/x
  3. Step 3: Cross multiply
    10,306,043.40x = 15,459,065.10 × 8,936,106.60
  4. Step 4: Simplify right side
    10,306,043.40x = 138,143,853,669,939.66
  5. Step 5: Solve for x
    x = 138,143,853,669,939.66/10,306,043.40
  6. Step 6: Final answer
    x = 13,404,159.90

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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.