Home / 8,342,021.40-12,513,032.10-2,956,752.60

Finding the Fourth Proportional to 8,342,021.40, 12,513,032.10 and 2,956,752.60

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Solution

The fourth proportional to 8,342,021.40, 12,513,032.10 and 2,956,752.60 is: 4,435,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342,021.40 : 12,513,032.10 = 2,956,752.60 : x
  2. Step 2: Convert to fraction form
    8,342,021.40/12,513,032.10 = 2,956,752.60/x
  3. Step 3: Cross multiply
    8,342,021.40x = 12,513,032.10 × 2,956,752.60
  4. Step 4: Simplify right side
    8,342,021.40x = 36,997,940,195,558.46
  5. Step 5: Solve for x
    x = 36,997,940,195,558.46/8,342,021.40
  6. Step 6: Final answer
    x = 4,435,128.90

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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.