Home / 25,685,205.60-38,523,707.16-7,485,143.58

Finding the Fourth Proportional to 25,685,205.60, 38,523,707.16 and 7,485,143.58

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Solution

The fourth proportional to 25,685,205.60, 38,523,707.16 and 7,485,143.58 is: 11,226,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685,205.60 : 38,523,707.16 = 7,485,143.58 : x
  2. Step 2: Convert to fraction form
    25,685,205.60/38,523,707.16 = 7,485,143.58/x
  3. Step 3: Cross multiply
    25,685,205.60x = 38,523,707.16 × 7,485,143.58
  4. Step 4: Simplify right side
    25,685,205.60x = 288,355,479,282,311.38
  5. Step 5: Solve for x
    x = 288,355,479,282,311.38/25,685,205.60
  6. Step 6: Final answer
    x = 11,226,520.19

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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.