Home / 7,405,440.24-10,220,452.90-4,142,436.24

Finding the Fourth Proportional to 7,405,440.24, 10,220,452.90 and 4,142,436.24

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Solution

The fourth proportional to 7,405,440.24, 10,220,452.90 and 4,142,436.24 is: 5,717,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,440.24 : 10,220,452.90 = 4,142,436.24 : x
  2. Step 2: Convert to fraction form
    7,405,440.24/10,220,452.90 = 4,142,436.24/x
  3. Step 3: Cross multiply
    7,405,440.24x = 10,220,452.90 × 4,142,436.24
  4. Step 4: Simplify right side
    7,405,440.24x = 42,337,574,482,173.10
  5. Step 5: Solve for x
    x = 42,337,574,482,173.10/7,405,440.24
  6. Step 6: Final answer
    x = 5,717,090.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.