Home / 5,315,872.16-7,966,984.80-4,629,951.20

Finding the Fourth Proportional to 5,315,872.16, 7,966,984.80 and 4,629,951.20

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Solution

The fourth proportional to 5,315,872.16, 7,966,984.80 and 4,629,951.20 is: 6,938,983.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,872.16 : 7,966,984.80 = 4,629,951.20 : x
  2. Step 2: Convert to fraction form
    5,315,872.16/7,966,984.80 = 4,629,951.20/x
  3. Step 3: Cross multiply
    5,315,872.16x = 7,966,984.80 × 4,629,951.20
  4. Step 4: Simplify right side
    5,315,872.16x = 36,886,750,835,141.76
  5. Step 5: Solve for x
    x = 36,886,750,835,141.76/5,315,872.16
  6. Step 6: Final answer
    x = 6,938,983.81

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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.