Home / 7,148,604.42-9,865,140.16-3,885,426.84

Finding the Fourth Proportional to 7,148,604.42, 9,865,140.16 and 3,885,426.84

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Solution

The fourth proportional to 7,148,604.42, 9,865,140.16 and 3,885,426.84 is: 5,361,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,604.42 : 9,865,140.16 = 3,885,426.84 : x
  2. Step 2: Convert to fraction form
    7,148,604.42/9,865,140.16 = 3,885,426.84/x
  3. Step 3: Cross multiply
    7,148,604.42x = 9,865,140.16 × 3,885,426.84
  4. Step 4: Simplify right side
    7,148,604.42x = 38,330,280,358,025.89
  5. Step 5: Solve for x
    x = 38,330,280,358,025.89/7,148,604.42
  6. Step 6: Final answer
    x = 5,361,924.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.