Home / 6,912,705.20-10,350,913.80-4,879,972.40

Finding the Fourth Proportional to 6,912,705.20, 10,350,913.80 and 4,879,972.40

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Solution

The fourth proportional to 6,912,705.20, 10,350,913.80 and 4,879,972.40 is: 7,307,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,705.20 : 10,350,913.80 = 4,879,972.40 : x
  2. Step 2: Convert to fraction form
    6,912,705.20/10,350,913.80 = 4,879,972.40/x
  3. Step 3: Cross multiply
    6,912,705.20x = 10,350,913.80 × 4,879,972.40
  4. Step 4: Simplify right side
    6,912,705.20x = 50,512,173,658,779.12
  5. Step 5: Solve for x
    x = 50,512,173,658,779.12/6,912,705.20
  6. Step 6: Final answer
    x = 7,307,149.98

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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.