Home / 6,912,671.20-10,350,862.80-4,879,938.40

Finding the Fourth Proportional to 6,912,671.20, 10,350,862.80 and 4,879,938.40

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Solution

The fourth proportional to 6,912,671.20, 10,350,862.80 and 4,879,938.40 is: 7,307,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,671.20 : 10,350,862.80 = 4,879,938.40 : x
  2. Step 2: Convert to fraction form
    6,912,671.20/10,350,862.80 = 4,879,938.40/x
  3. Step 3: Cross multiply
    6,912,671.20x = 10,350,862.80 × 4,879,938.40
  4. Step 4: Simplify right side
    6,912,671.20x = 50,511,572,850,851.53
  5. Step 5: Solve for x
    x = 50,511,572,850,851.53/6,912,671.20
  6. Step 6: Final answer
    x = 7,307,099.01

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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.