Home / 10,110,156.15-15,165,234.23-7,718,671.65

Finding the Fourth Proportional to 10,110,156.15, 15,165,234.23 and 7,718,671.65

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Solution

The fourth proportional to 10,110,156.15, 15,165,234.23 and 7,718,671.65 is: 11,578,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110,156.15 : 15,165,234.23 = 7,718,671.65 : x
  2. Step 2: Convert to fraction form
    10,110,156.15/15,165,234.23 = 7,718,671.65/x
  3. Step 3: Cross multiply
    10,110,156.15x = 15,165,234.23 × 7,718,671.65
  4. Step 4: Simplify right side
    10,110,156.15x = 117,055,463,478,117.22
  5. Step 5: Solve for x
    x = 117,055,463,478,117.22/10,110,156.15
  6. Step 6: Final answer
    x = 11,578,007.48

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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.