Home / 12,307,435.60-18,461,153.40-8,481,060.40

Finding the Fourth Proportional to 12,307,435.60, 18,461,153.40 and 8,481,060.40

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Solution

The fourth proportional to 12,307,435.60, 18,461,153.40 and 8,481,060.40 is: 12,721,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,435.60 : 18,461,153.40 = 8,481,060.40 : x
  2. Step 2: Convert to fraction form
    12,307,435.60/18,461,153.40 = 8,481,060.40/x
  3. Step 3: Cross multiply
    12,307,435.60x = 18,461,153.40 × 8,481,060.40
  4. Step 4: Simplify right side
    12,307,435.60x = 156,570,157,039,065.34
  5. Step 5: Solve for x
    x = 156,570,157,039,065.34/12,307,435.60
  6. Step 6: Final answer
    x = 12,721,590.60

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Similar ratio
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1.5x scale

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.