Home / 10,977,551.19-15,149,239.83-6,394,167.81

Finding the Fourth Proportional to 10,977,551.19, 15,149,239.83 and 6,394,167.81

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Solution

The fourth proportional to 10,977,551.19, 15,149,239.83 and 6,394,167.81 is: 8,824,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977,551.19 : 15,149,239.83 = 6,394,167.81 : x
  2. Step 2: Convert to fraction form
    10,977,551.19/15,149,239.83 = 6,394,167.81/x
  3. Step 3: Cross multiply
    10,977,551.19x = 15,149,239.83 × 6,394,167.81
  4. Step 4: Simplify right side
    10,977,551.19x = 96,866,781,666,955.86
  5. Step 5: Solve for x
    x = 96,866,781,666,955.86/10,977,551.19
  6. Step 6: Final answer
    x = 8,824,079.25

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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.