Home / 6,739,855.20-10,109,782.80-4,188,938.40

Finding the Fourth Proportional to 6,739,855.20, 10,109,782.80 and 4,188,938.40

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Solution

The fourth proportional to 6,739,855.20, 10,109,782.80 and 4,188,938.40 is: 6,283,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,855.20 : 10,109,782.80 = 4,188,938.40 : x
  2. Step 2: Convert to fraction form
    6,739,855.20/10,109,782.80 = 4,188,938.40/x
  3. Step 3: Cross multiply
    6,739,855.20x = 10,109,782.80 × 4,188,938.40
  4. Step 4: Simplify right side
    6,739,855.20x = 42,349,257,386,579.52
  5. Step 5: Solve for x
    x = 42,349,257,386,579.52/6,739,855.20
  6. Step 6: Final answer
    x = 6,283,407.60

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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.