Home / 12,898,754.38-17,799,747.30-7,018,412.80

Finding the Fourth Proportional to 12,898,754.38, 17,799,747.30 and 7,018,412.80

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Solution

The fourth proportional to 12,898,754.38, 17,799,747.30 and 7,018,412.80 is: 9,685,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898,754.38 : 17,799,747.30 = 7,018,412.80 : x
  2. Step 2: Convert to fraction form
    12,898,754.38/17,799,747.30 = 7,018,412.80/x
  3. Step 3: Cross multiply
    12,898,754.38x = 17,799,747.30 × 7,018,412.80
  4. Step 4: Simplify right side
    12,898,754.38x = 124,925,974,287,085.44
  5. Step 5: Solve for x
    x = 124,925,974,287,085.44/12,898,754.38
  6. Step 6: Final answer
    x = 9,685,119.25

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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.