Home / 12,211,618.64-18,317,926.10-3,113,952.17

Finding the Fourth Proportional to 12,211,618.64, 18,317,926.10 and 3,113,952.17

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Solution

The fourth proportional to 12,211,618.64, 18,317,926.10 and 3,113,952.17 is: 4,671,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211,618.64 : 18,317,926.10 = 3,113,952.17 : x
  2. Step 2: Convert to fraction form
    12,211,618.64/18,317,926.10 = 3,113,952.17/x
  3. Step 3: Cross multiply
    12,211,618.64x = 18,317,926.10 × 3,113,952.17
  4. Step 4: Simplify right side
    12,211,618.64x = 57,041,145,645,189.88
  5. Step 5: Solve for x
    x = 57,041,145,645,189.88/12,211,618.64
  6. Step 6: Final answer
    x = 4,671,055.28

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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.