Home / 12,373,292.68-17,075,532.20-7,146,203.74

Finding the Fourth Proportional to 12,373,292.68, 17,075,532.20 and 7,146,203.74

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Solution

The fourth proportional to 12,373,292.68, 17,075,532.20 and 7,146,203.74 is: 9,861,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373,292.68 : 17,075,532.20 = 7,146,203.74 : x
  2. Step 2: Convert to fraction form
    12,373,292.68/17,075,532.20 = 7,146,203.74/x
  3. Step 3: Cross multiply
    12,373,292.68x = 17,075,532.20 × 7,146,203.74
  4. Step 4: Simplify right side
    12,373,292.68x = 122,025,231,991,710.58
  5. Step 5: Solve for x
    x = 122,025,231,991,710.58/12,373,292.68
  6. Step 6: Final answer
    x = 9,861,985.42

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Double scale
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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.