Home / 12,617,501.13-18,926,402.39-3,519,045.15

Finding the Fourth Proportional to 12,617,501.13, 18,926,402.39 and 3,519,045.15

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Solution

The fourth proportional to 12,617,501.13, 18,926,402.39 and 3,519,045.15 is: 5,278,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617,501.13 : 18,926,402.39 = 3,519,045.15 : x
  2. Step 2: Convert to fraction form
    12,617,501.13/18,926,402.39 = 3,519,045.15/x
  3. Step 3: Cross multiply
    12,617,501.13x = 18,926,402.39 × 3,519,045.15
  4. Step 4: Simplify right side
    12,617,501.13x = 66,602,864,537,477.91
  5. Step 5: Solve for x
    x = 66,602,864,537,477.91/12,617,501.13
  6. Step 6: Final answer
    x = 5,278,609.75

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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.