Home / 7,381,132.81-10,185,969.65-4,117,948.20

Finding the Fourth Proportional to 7,381,132.81, 10,185,969.65 and 4,117,948.20

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Solution

The fourth proportional to 7,381,132.81, 10,185,969.65 and 4,117,948.20 is: 5,682,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,132.81 : 10,185,969.65 = 4,117,948.20 : x
  2. Step 2: Convert to fraction form
    7,381,132.81/10,185,969.65 = 4,117,948.20/x
  3. Step 3: Cross multiply
    7,381,132.81x = 10,185,969.65 × 4,117,948.20
  4. Step 4: Simplify right side
    7,381,132.81x = 41,945,295,385,472.13
  5. Step 5: Solve for x
    x = 41,945,295,385,472.13/7,381,132.81
  6. Step 6: Final answer
    x = 5,682,772.07

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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.