Home / 11,325,374.40-16,988,061.60-7,078,641.60

Finding the Fourth Proportional to 11,325,374.40, 16,988,061.60 and 7,078,641.60

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Solution

The fourth proportional to 11,325,374.40, 16,988,061.60 and 7,078,641.60 is: 10,617,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325,374.40 : 16,988,061.60 = 7,078,641.60 : x
  2. Step 2: Convert to fraction form
    11,325,374.40/16,988,061.60 = 7,078,641.60/x
  3. Step 3: Cross multiply
    11,325,374.40x = 16,988,061.60 × 7,078,641.60
  4. Step 4: Simplify right side
    11,325,374.40x = 120,252,399,545,122.56
  5. Step 5: Solve for x
    x = 120,252,399,545,122.56/11,325,374.40
  6. Step 6: Final answer
    x = 10,617,962.40

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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.