Home / 15,136,050.99-20,885,000.16-8,942,106.13

Finding the Fourth Proportional to 15,136,050.99, 20,885,000.16 and 8,942,106.13

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Solution

The fourth proportional to 15,136,050.99, 20,885,000.16 and 8,942,106.13 is: 12,338,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136,050.99 : 20,885,000.16 = 8,942,106.13 : x
  2. Step 2: Convert to fraction form
    15,136,050.99/20,885,000.16 = 8,942,106.13/x
  3. Step 3: Cross multiply
    15,136,050.99x = 20,885,000.16 × 8,942,106.13
  4. Step 4: Simplify right side
    15,136,050.99x = 186,755,887,955,787
  5. Step 5: Solve for x
    x = 186,755,887,955,787/15,136,050.99
  6. Step 6: Final answer
    x = 12,338,481.69

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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.