Home / 8,194,699.20-12,292,048.80-5,643,782.40

Finding the Fourth Proportional to 8,194,699.20, 12,292,048.80 and 5,643,782.40

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Solution

The fourth proportional to 8,194,699.20, 12,292,048.80 and 5,643,782.40 is: 8,465,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194,699.20 : 12,292,048.80 = 5,643,782.40 : x
  2. Step 2: Convert to fraction form
    8,194,699.20/12,292,048.80 = 5,643,782.40/x
  3. Step 3: Cross multiply
    8,194,699.20x = 12,292,048.80 × 5,643,782.40
  4. Step 4: Simplify right side
    8,194,699.20x = 69,373,648,677,381.12
  5. Step 5: Solve for x
    x = 69,373,648,677,381.12/8,194,699.20
  6. Step 6: Final answer
    x = 8,465,673.60

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Similar ratio
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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.