Home / 25,791,792.36-38,687,681.32-17,680,175.84

Finding the Fourth Proportional to 25,791,792.36, 38,687,681.32 and 17,680,175.84

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Solution

The fourth proportional to 25,791,792.36, 38,687,681.32 and 17,680,175.84 is: 26,520,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,791,792.36 : 38,687,681.32 = 17,680,175.84 : x
  2. Step 2: Convert to fraction form
    25,791,792.36/38,687,681.32 = 17,680,175.84/x
  3. Step 3: Cross multiply
    25,791,792.36x = 38,687,681.32 × 17,680,175.84
  4. Step 4: Simplify right side
    25,791,792.36x = 684,005,008,579,483.25
  5. Step 5: Solve for x
    x = 684,005,008,579,483.25/25,791,792.36
  6. Step 6: Final answer
    x = 26,520,258.81

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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.