Home / 7,169,969.70-10,754,954.55-6,386,148.90

Finding the Fourth Proportional to 7,169,969.70, 10,754,954.55 and 6,386,148.90

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Solution

The fourth proportional to 7,169,969.70, 10,754,954.55 and 6,386,148.90 is: 9,579,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,969.70 : 10,754,954.55 = 6,386,148.90 : x
  2. Step 2: Convert to fraction form
    7,169,969.70/10,754,954.55 = 6,386,148.90/x
  3. Step 3: Cross multiply
    7,169,969.70x = 10,754,954.55 × 6,386,148.90
  4. Step 4: Simplify right side
    7,169,969.70x = 68,682,741,169,032.50
  5. Step 5: Solve for x
    x = 68,682,741,169,032.50/7,169,969.70
  6. Step 6: Final answer
    x = 9,579,223.35

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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.