Home / 13,376,491.20-20,064,736.80-9,345,412.80

Finding the Fourth Proportional to 13,376,491.20, 20,064,736.80 and 9,345,412.80

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Solution

The fourth proportional to 13,376,491.20, 20,064,736.80 and 9,345,412.80 is: 14,018,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,491.20 : 20,064,736.80 = 9,345,412.80 : x
  2. Step 2: Convert to fraction form
    13,376,491.20/20,064,736.80 = 9,345,412.80/x
  3. Step 3: Cross multiply
    13,376,491.20x = 20,064,736.80 × 9,345,412.80
  4. Step 4: Simplify right side
    13,376,491.20x = 187,513,248,119,351.06
  5. Step 5: Solve for x
    x = 187,513,248,119,351.06/13,376,491.20
  6. Step 6: Final answer
    x = 14,018,119.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.