Home / 6,985,463.40-10,478,197.53-3,142,798.02

Finding the Fourth Proportional to 6,985,463.40, 10,478,197.53 and 3,142,798.02

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Solution

The fourth proportional to 6,985,463.40, 10,478,197.53 and 3,142,798.02 is: 4,714,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,463.40 : 10,478,197.53 = 3,142,798.02 : x
  2. Step 2: Convert to fraction form
    6,985,463.40/10,478,197.53 = 3,142,798.02/x
  3. Step 3: Cross multiply
    6,985,463.40x = 10,478,197.53 × 3,142,798.02
  4. Step 4: Simplify right side
    6,985,463.40x = 32,930,858,450,452.89
  5. Step 5: Solve for x
    x = 32,930,858,450,452.89/6,985,463.40
  6. Step 6: Final answer
    x = 4,714,198.12

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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.