Home / 12,216,137.06-18,317,926.47-6,461,965.10

Finding the Fourth Proportional to 12,216,137.06, 18,317,926.47 and 6,461,965.10

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Solution

The fourth proportional to 12,216,137.06, 18,317,926.47 and 6,461,965.10 is: 9,689,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216,137.06 : 18,317,926.47 = 6,461,965.10 : x
  2. Step 2: Convert to fraction form
    12,216,137.06/18,317,926.47 = 6,461,965.10/x
  3. Step 3: Cross multiply
    12,216,137.06x = 18,317,926.47 × 6,461,965.10
  4. Step 4: Simplify right side
    12,216,137.06x = 118,369,801,553,506.19
  5. Step 5: Solve for x
    x = 118,369,801,553,506.19/12,216,137.06
  6. Step 6: Final answer
    x = 9,689,626.19

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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.