Home / 9,000,889.22-12,421,258.49-4,870,919.33

Finding the Fourth Proportional to 9,000,889.22, 12,421,258.49 and 4,870,919.33

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Solution

The fourth proportional to 9,000,889.22, 12,421,258.49 and 4,870,919.33 is: 6,721,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,889.22 : 12,421,258.49 = 4,870,919.33 : x
  2. Step 2: Convert to fraction form
    9,000,889.22/12,421,258.49 = 4,870,919.33/x
  3. Step 3: Cross multiply
    9,000,889.22x = 12,421,258.49 × 4,870,919.33
  4. Step 4: Simplify right side
    9,000,889.22x = 60,502,948,081,867.62
  5. Step 5: Solve for x
    x = 60,502,948,081,867.62/9,000,889.22
  6. Step 6: Final answer
    x = 6,721,885.65

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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.