Home / 40,960,970.64-61,441,436.52-12,206,372.40

Finding the Fourth Proportional to 40,960,970.64, 61,441,436.52 and 12,206,372.40

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Solution

The fourth proportional to 40,960,970.64, 61,441,436.52 and 12,206,372.40 is: 18,309,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,960,970.64 : 61,441,436.52 = 12,206,372.40 : x
  2. Step 2: Convert to fraction form
    40,960,970.64/61,441,436.52 = 12,206,372.40/x
  3. Step 3: Cross multiply
    40,960,970.64x = 61,441,436.52 × 12,206,372.40
  4. Step 4: Simplify right side
    40,960,970.64x = 749,977,054,954,080.12
  5. Step 5: Solve for x
    x = 749,977,054,954,080.12/40,960,970.64
  6. Step 6: Final answer
    x = 18,309,552.81

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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.