Home / 9,413,547.76-12,990,286.44-5,226,971.92

Finding the Fourth Proportional to 9,413,547.76, 12,990,286.44 and 5,226,971.92

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Solution

The fourth proportional to 9,413,547.76, 12,990,286.44 and 5,226,971.92 is: 7,212,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413,547.76 : 12,990,286.44 = 5,226,971.92 : x
  2. Step 2: Convert to fraction form
    9,413,547.76/12,990,286.44 = 5,226,971.92/x
  3. Step 3: Cross multiply
    9,413,547.76x = 12,990,286.44 × 5,226,971.92
  4. Step 4: Simplify right side
    9,413,547.76x = 67,899,862,454,636.76
  5. Step 5: Solve for x
    x = 67,899,862,454,636.76/9,413,547.76
  6. Step 6: Final answer
    x = 7,212,993.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.