Home / 18,223,512.79-25,148,492.88-9,964,108.06

Finding the Fourth Proportional to 18,223,512.79, 25,148,492.88 and 9,964,108.06

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Solution

The fourth proportional to 18,223,512.79, 25,148,492.88 and 9,964,108.06 is: 13,750,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223,512.79 : 25,148,492.88 = 9,964,108.06 : x
  2. Step 2: Convert to fraction form
    18,223,512.79/25,148,492.88 = 9,964,108.06/x
  3. Step 3: Cross multiply
    18,223,512.79x = 25,148,492.88 × 9,964,108.06
  4. Step 4: Simplify right side
    18,223,512.79x = 250,582,300,602,460.62
  5. Step 5: Solve for x
    x = 250,582,300,602,460.62/18,223,512.79
  6. Step 6: Final answer
    x = 13,750,493.85

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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.