Home / 12,224,748.80-18,310,551.15-7,424,065.10

Finding the Fourth Proportional to 12,224,748.80, 18,310,551.15 and 7,424,065.10

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Solution

The fourth proportional to 12,224,748.80, 18,310,551.15 and 7,424,065.10 is: 11,119,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,748.80 : 18,310,551.15 = 7,424,065.10 : x
  2. Step 2: Convert to fraction form
    12,224,748.80/18,310,551.15 = 7,424,065.10/x
  3. Step 3: Cross multiply
    12,224,748.80x = 18,310,551.15 × 7,424,065.10
  4. Step 4: Simplify right side
    12,224,748.80x = 135,938,723,754,479.84
  5. Step 5: Solve for x
    x = 135,938,723,754,479.84/12,224,748.80
  6. Step 6: Final answer
    x = 11,119,960.50

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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.