Home / 7,750,288.80-10,696,878.72-5,132,178.24

Finding the Fourth Proportional to 7,750,288.80, 10,696,878.72 and 5,132,178.24

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Solution

The fourth proportional to 7,750,288.80, 10,696,878.72 and 5,132,178.24 is: 7,083,386.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750,288.80 : 10,696,878.72 = 5,132,178.24 : x
  2. Step 2: Convert to fraction form
    7,750,288.80/10,696,878.72 = 5,132,178.24/x
  3. Step 3: Cross multiply
    7,750,288.80x = 10,696,878.72 × 5,132,178.24
  4. Step 4: Simplify right side
    7,750,288.80x = 54,898,288,202,703.06
  5. Step 5: Solve for x
    x = 54,898,288,202,703.06/7,750,288.80
  6. Step 6: Final answer
    x = 7,083,386.13

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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.