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Finding the Fourth Proportional to 35,491,225.32, 48,978,038.52 and 19,193,701.32

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Solution

The fourth proportional to 35,491,225.32, 48,978,038.52 and 19,193,701.32 is: 26,487,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491,225.32 : 48,978,038.52 = 19,193,701.32 : x
  2. Step 2: Convert to fraction form
    35,491,225.32/48,978,038.52 = 19,193,701.32/x
  3. Step 3: Cross multiply
    35,491,225.32x = 48,978,038.52 × 19,193,701.32
  4. Step 4: Simplify right side
    35,491,225.32x = 940,069,842,592,334.88
  5. Step 5: Solve for x
    x = 940,069,842,592,334.88/35,491,225.32
  6. Step 6: Final answer
    x = 26,487,387.63

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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.