Home / 15,856,674.92-21,881,626.63-8,613,175.40

Finding the Fourth Proportional to 15,856,674.92, 21,881,626.63 and 8,613,175.40

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Solution

The fourth proportional to 15,856,674.92, 21,881,626.63 and 8,613,175.40 is: 11,885,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856,674.92 : 21,881,626.63 = 8,613,175.40 : x
  2. Step 2: Convert to fraction form
    15,856,674.92/21,881,626.63 = 8,613,175.40/x
  3. Step 3: Cross multiply
    15,856,674.92x = 21,881,626.63 × 8,613,175.40
  4. Step 4: Simplify right side
    15,856,674.92x = 188,470,288,070,559.84
  5. Step 5: Solve for x
    x = 188,470,288,070,559.84/15,856,674.92
  6. Step 6: Final answer
    x = 11,885,864.41

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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.