Home / 10,361,305.40-15,541,958.10-7,841,881.40

Finding the Fourth Proportional to 10,361,305.40, 15,541,958.10 and 7,841,881.40

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Solution

The fourth proportional to 10,361,305.40, 15,541,958.10 and 7,841,881.40 is: 11,762,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,305.40 : 15,541,958.10 = 7,841,881.40 : x
  2. Step 2: Convert to fraction form
    10,361,305.40/15,541,958.10 = 7,841,881.40/x
  3. Step 3: Cross multiply
    10,361,305.40x = 15,541,958.10 × 7,841,881.40
  4. Step 4: Simplify right side
    10,361,305.40x = 121,878,192,143,969.34
  5. Step 5: Solve for x
    x = 121,878,192,143,969.34/10,361,305.40
  6. Step 6: Final answer
    x = 11,762,822.10

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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.