Home / 25,445,839.74-35,127,455.32-15,664,668.13

Finding the Fourth Proportional to 25,445,839.74, 35,127,455.32 and 15,664,668.13

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Solution

The fourth proportional to 25,445,839.74, 35,127,455.32 and 15,664,668.13 is: 21,624,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445,839.74 : 35,127,455.32 = 15,664,668.13 : x
  2. Step 2: Convert to fraction form
    25,445,839.74/35,127,455.32 = 15,664,668.13/x
  3. Step 3: Cross multiply
    25,445,839.74x = 35,127,455.32 × 15,664,668.13
  4. Step 4: Simplify right side
    25,445,839.74x = 550,259,929,839,203
  5. Step 5: Solve for x
    x = 550,259,929,839,203/25,445,839.74
  6. Step 6: Final answer
    x = 21,624,750.27

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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.