Home / 23,100,089.06-31,878,123.53-12,786,812.15

Finding the Fourth Proportional to 23,100,089.06, 31,878,123.53 and 12,786,812.15

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Solution

The fourth proportional to 23,100,089.06, 31,878,123.53 and 12,786,812.15 is: 17,645,801.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,100,089.06 : 31,878,123.53 = 12,786,812.15 : x
  2. Step 2: Convert to fraction form
    23,100,089.06/31,878,123.53 = 12,786,812.15/x
  3. Step 3: Cross multiply
    23,100,089.06x = 31,878,123.53 × 12,786,812.15
  4. Step 4: Simplify right side
    23,100,089.06x = 407,619,577,272,604.94
  5. Step 5: Solve for x
    x = 407,619,577,272,604.94/23,100,089.06
  6. Step 6: Final answer
    x = 17,645,801.11

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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.