Home / 18,594,650.78-25,663,663.60-15,492,254.12

Finding the Fourth Proportional to 18,594,650.78, 25,663,663.60 and 15,492,254.12

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Solution

The fourth proportional to 18,594,650.78, 25,663,663.60 and 15,492,254.12 is: 21,381,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594,650.78 : 25,663,663.60 = 15,492,254.12 : x
  2. Step 2: Convert to fraction form
    18,594,650.78/25,663,663.60 = 15,492,254.12/x
  3. Step 3: Cross multiply
    18,594,650.78x = 25,663,663.60 × 15,492,254.12
  4. Step 4: Simplify right side
    18,594,650.78x = 397,587,998,141,394.06
  5. Step 5: Solve for x
    x = 397,587,998,141,394.06/18,594,650.78
  6. Step 6: Final answer
    x = 21,381,848.08

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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.