Home / 21,728,495.60-32,592,743.40-12,770,543.60

Finding the Fourth Proportional to 21,728,495.60, 32,592,743.40 and 12,770,543.60

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Solution

The fourth proportional to 21,728,495.60, 32,592,743.40 and 12,770,543.60 is: 19,155,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,495.60 : 32,592,743.40 = 12,770,543.60 : x
  2. Step 2: Convert to fraction form
    21,728,495.60/32,592,743.40 = 12,770,543.60/x
  3. Step 3: Cross multiply
    21,728,495.60x = 32,592,743.40 × 12,770,543.60
  4. Step 4: Simplify right side
    21,728,495.60x = 416,227,050,633,312.19
  5. Step 5: Solve for x
    x = 416,227,050,633,312.19/21,728,495.60
  6. Step 6: Final answer
    x = 19,155,815.40

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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.