Home / 15,442,887.51-21,313,074.78-8,916,506.01

Finding the Fourth Proportional to 15,442,887.51, 21,313,074.78 and 8,916,506.01

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Solution

The fourth proportional to 15,442,887.51, 21,313,074.78 and 8,916,506.01 is: 12,305,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,887.51 : 21,313,074.78 = 8,916,506.01 : x
  2. Step 2: Convert to fraction form
    15,442,887.51/21,313,074.78 = 8,916,506.01/x
  3. Step 3: Cross multiply
    15,442,887.51x = 21,313,074.78 × 8,916,506.01
  4. Step 4: Simplify right side
    15,442,887.51x = 190,038,159,367,449.44
  5. Step 5: Solve for x
    x = 190,038,159,367,449.44/15,442,887.51
  6. Step 6: Final answer
    x = 12,305,869.56

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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.