Home / 12,698,079.26-17,520,347.47-7,471,315.56

Finding the Fourth Proportional to 12,698,079.26, 17,520,347.47 and 7,471,315.56

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Solution

The fourth proportional to 12,698,079.26, 17,520,347.47 and 7,471,315.56 is: 10,308,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,079.26 : 17,520,347.47 = 7,471,315.56 : x
  2. Step 2: Convert to fraction form
    12,698,079.26/17,520,347.47 = 7,471,315.56/x
  3. Step 3: Cross multiply
    12,698,079.26x = 17,520,347.47 × 7,471,315.56
  4. Step 4: Simplify right side
    12,698,079.26x = 130,900,044,631,861.05
  5. Step 5: Solve for x
    x = 130,900,044,631,861.05/12,698,079.26
  6. Step 6: Final answer
    x = 10,308,649.21

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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.