Home / 10,138,545.18-15,208,012.17-3,315,144.06

Finding the Fourth Proportional to 10,138,545.18, 15,208,012.17 and 3,315,144.06

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Solution

The fourth proportional to 10,138,545.18, 15,208,012.17 and 3,315,144.06 is: 4,972,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,545.18 : 15,208,012.17 = 3,315,144.06 : x
  2. Step 2: Convert to fraction form
    10,138,545.18/15,208,012.17 = 3,315,144.06/x
  3. Step 3: Cross multiply
    10,138,545.18x = 15,208,012.17 × 3,315,144.06
  4. Step 4: Simplify right side
    10,138,545.18x = 50,416,751,209,783.21
  5. Step 5: Solve for x
    x = 50,416,751,209,783.21/10,138,545.18
  6. Step 6: Final answer
    x = 4,972,779.66

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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.