Home / 26,431,639.76-36,407,701.28-18,683,361.20

Finding the Fourth Proportional to 26,431,639.76, 36,407,701.28 and 18,683,361.20

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Solution

The fourth proportional to 26,431,639.76, 36,407,701.28 and 18,683,361.20 is: 25,734,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431,639.76 : 36,407,701.28 = 18,683,361.20 : x
  2. Step 2: Convert to fraction form
    26,431,639.76/36,407,701.28 = 18,683,361.20/x
  3. Step 3: Cross multiply
    26,431,639.76x = 36,407,701.28 × 18,683,361.20
  4. Step 4: Simplify right side
    26,431,639.76x = 680,218,233,475,942.38
  5. Step 5: Solve for x
    x = 680,218,233,475,942.38/26,431,639.76
  6. Step 6: Final answer
    x = 25,734,999.40

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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.