Home / 12,831,618.24-17,707,092.48-7,671,931.20

Finding the Fourth Proportional to 12,831,618.24, 17,707,092.48 and 7,671,931.20

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Solution

The fourth proportional to 12,831,618.24, 17,707,092.48 and 7,671,931.20 is: 10,586,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,618.24 : 17,707,092.48 = 7,671,931.20 : x
  2. Step 2: Convert to fraction form
    12,831,618.24/17,707,092.48 = 7,671,931.20/x
  3. Step 3: Cross multiply
    12,831,618.24x = 17,707,092.48 × 7,671,931.20
  4. Step 4: Simplify right side
    12,831,618.24x = 135,847,595,258,597.38
  5. Step 5: Solve for x
    x = 135,847,595,258,597.38/12,831,618.24
  6. Step 6: Final answer
    x = 10,586,941.78

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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.