Home / 15,159,108-20,919,624-8,283,590.66

Finding the Fourth Proportional to 15,159,108, 20,919,624 and 8,283,590.66

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Solution

The fourth proportional to 15,159,108, 20,919,624 and 8,283,590.66 is: 11,431,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159,108 : 20,919,624 = 8,283,590.66 : x
  2. Step 2: Convert to fraction form
    15,159,108/20,919,624 = 8,283,590.66/x
  3. Step 3: Cross multiply
    15,159,108x = 20,919,624 × 8,283,590.66
  4. Step 4: Simplify right side
    15,159,108x = 173,289,601,977,111.84
  5. Step 5: Solve for x
    x = 173,289,601,977,111.84/15,159,108
  6. Step 6: Final answer
    x = 11,431,385.14

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Double scale
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1.5x scale

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.