Home / 10,648,763.16-15,987,329.82-7,202,077.86

Finding the Fourth Proportional to 10,648,763.16, 15,987,329.82 and 7,202,077.86

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Solution

The fourth proportional to 10,648,763.16, 15,987,329.82 and 7,202,077.86 is: 10,812,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648,763.16 : 15,987,329.82 = 7,202,077.86 : x
  2. Step 2: Convert to fraction form
    10,648,763.16/15,987,329.82 = 7,202,077.86/x
  3. Step 3: Cross multiply
    10,648,763.16x = 15,987,329.82 × 7,202,077.86
  4. Step 4: Simplify right side
    10,648,763.16x = 115,141,994,137,139.80
  5. Step 5: Solve for x
    x = 115,141,994,137,139.80/10,648,763.16
  6. Step 6: Final answer
    x = 10,812,710.58

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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.