Home / 12,459,735.60-18,689,603.40-8,204,708.40

Finding the Fourth Proportional to 12,459,735.60, 18,689,603.40 and 8,204,708.40

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Solution

The fourth proportional to 12,459,735.60, 18,689,603.40 and 8,204,708.40 is: 12,307,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,735.60 : 18,689,603.40 = 8,204,708.40 : x
  2. Step 2: Convert to fraction form
    12,459,735.60/18,689,603.40 = 8,204,708.40/x
  3. Step 3: Cross multiply
    12,459,735.60x = 18,689,603.40 × 8,204,708.40
  4. Step 4: Simplify right side
    12,459,735.60x = 153,342,746,008,648.56
  5. Step 5: Solve for x
    x = 153,342,746,008,648.56/12,459,735.60
  6. Step 6: Final answer
    x = 12,307,062.60

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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.