Home / 12,248,974.82-18,361,111.08-7,703,272.10

Finding the Fourth Proportional to 12,248,974.82, 18,361,111.08 and 7,703,272.10

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Solution

The fourth proportional to 12,248,974.82, 18,361,111.08 and 7,703,272.10 is: 11,547,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248,974.82 : 18,361,111.08 = 7,703,272.10 : x
  2. Step 2: Convert to fraction form
    12,248,974.82/18,361,111.08 = 7,703,272.10/x
  3. Step 3: Cross multiply
    12,248,974.82x = 18,361,111.08 × 7,703,272.10
  4. Step 4: Simplify right side
    12,248,974.82x = 141,440,634,707,564.84
  5. Step 5: Solve for x
    x = 141,440,634,707,564.84/12,248,974.82
  6. Step 6: Final answer
    x = 11,547,140.62

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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.