Home / 13,122,068.40-19,683,102.60-7,382,505.60

Finding the Fourth Proportional to 13,122,068.40, 19,683,102.60 and 7,382,505.60

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Solution

The fourth proportional to 13,122,068.40, 19,683,102.60 and 7,382,505.60 is: 11,073,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,068.40 : 19,683,102.60 = 7,382,505.60 : x
  2. Step 2: Convert to fraction form
    13,122,068.40/19,683,102.60 = 7,382,505.60/x
  3. Step 3: Cross multiply
    13,122,068.40x = 19,683,102.60 × 7,382,505.60
  4. Step 4: Simplify right side
    13,122,068.40x = 145,310,615,169,874.56
  5. Step 5: Solve for x
    x = 145,310,615,169,874.56/13,122,068.40
  6. Step 6: Final answer
    x = 11,073,758.40

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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.