Home / 12,384,613.89-18,569,561.56-4,708,820.70

Finding the Fourth Proportional to 12,384,613.89, 18,569,561.56 and 4,708,820.70

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Solution

The fourth proportional to 12,384,613.89, 18,569,561.56 and 4,708,820.70 is: 7,060,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,613.89 : 18,569,561.56 = 4,708,820.70 : x
  2. Step 2: Convert to fraction form
    12,384,613.89/18,569,561.56 = 4,708,820.70/x
  3. Step 3: Cross multiply
    12,384,613.89x = 18,569,561.56 × 4,708,820.70
  4. Step 4: Simplify right side
    12,384,613.89x = 87,440,735,851,880.25
  5. Step 5: Solve for x
    x = 87,440,735,851,880.25/12,384,613.89
  6. Step 6: Final answer
    x = 7,060,432.94

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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.