Home / 10,571,211.60-15,856,817.40-7,382,565.60

Finding the Fourth Proportional to 10,571,211.60, 15,856,817.40 and 7,382,565.60

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Solution

The fourth proportional to 10,571,211.60, 15,856,817.40 and 7,382,565.60 is: 11,073,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,211.60 : 15,856,817.40 = 7,382,565.60 : x
  2. Step 2: Convert to fraction form
    10,571,211.60/15,856,817.40 = 7,382,565.60/x
  3. Step 3: Cross multiply
    10,571,211.60x = 15,856,817.40 × 7,382,565.60
  4. Step 4: Simplify right side
    10,571,211.60x = 117,063,994,662,721.44
  5. Step 5: Solve for x
    x = 117,063,994,662,721.44/10,571,211.60
  6. Step 6: Final answer
    x = 11,073,848.40

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Double scale
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Similar ratio
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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.