Home / 61,046,422.80-91,569,634.20-15,605,811.60

Finding the Fourth Proportional to 61,046,422.80, 91,569,634.20 and 15,605,811.60

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Solution

The fourth proportional to 61,046,422.80, 91,569,634.20 and 15,605,811.60 is: 23,408,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,046,422.80 : 91,569,634.20 = 15,605,811.60 : x
  2. Step 2: Convert to fraction form
    61,046,422.80/91,569,634.20 = 15,605,811.60/x
  3. Step 3: Cross multiply
    61,046,422.80x = 91,569,634.20 × 15,605,811.60
  4. Step 4: Simplify right side
    61,046,422.80x = 1,429,018,459,606,116.75
  5. Step 5: Solve for x
    x = 1,429,018,459,606,116.75/61,046,422.80
  6. Step 6: Final answer
    x = 23,408,717.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.