Home / 6,144,140.80-9,216,211.20-4,128,601.60

Finding the Fourth Proportional to 6,144,140.80, 9,216,211.20 and 4,128,601.60

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Solution

The fourth proportional to 6,144,140.80, 9,216,211.20 and 4,128,601.60 is: 6,192,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144,140.80 : 9,216,211.20 = 4,128,601.60 : x
  2. Step 2: Convert to fraction form
    6,144,140.80/9,216,211.20 = 4,128,601.60/x
  3. Step 3: Cross multiply
    6,144,140.80x = 9,216,211.20 × 4,128,601.60
  4. Step 4: Simplify right side
    6,144,140.80x = 38,050,064,306,257.91
  5. Step 5: Solve for x
    x = 38,050,064,306,257.91/6,144,140.80
  6. Step 6: Final answer
    x = 6,192,902.40

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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.