Home / 15,224,313.92-21,010,040.16-8,348,779.76

Finding the Fourth Proportional to 15,224,313.92, 21,010,040.16 and 8,348,779.76

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Solution

The fourth proportional to 15,224,313.92, 21,010,040.16 and 8,348,779.76 is: 11,521,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224,313.92 : 21,010,040.16 = 8,348,779.76 : x
  2. Step 2: Convert to fraction form
    15,224,313.92/21,010,040.16 = 8,348,779.76/x
  3. Step 3: Cross multiply
    15,224,313.92x = 21,010,040.16 × 8,348,779.76
  4. Step 4: Simplify right side
    15,224,313.92x = 175,408,198,044,595.16
  5. Step 5: Solve for x
    x = 175,408,198,044,595.16/15,224,313.92
  6. Step 6: Final answer
    x = 11,521,583.10

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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.