Home / 27,602,899.32-38,090,446.86-15,212,954.40

Finding the Fourth Proportional to 27,602,899.32, 38,090,446.86 and 15,212,954.40

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Solution

The fourth proportional to 27,602,899.32, 38,090,446.86 and 15,212,954.40 is: 20,993,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,602,899.32 : 38,090,446.86 = 15,212,954.40 : x
  2. Step 2: Convert to fraction form
    27,602,899.32/38,090,446.86 = 15,212,954.40/x
  3. Step 3: Cross multiply
    27,602,899.32x = 38,090,446.86 × 15,212,954.40
  4. Step 4: Simplify right side
    27,602,899.32x = 579,468,231,156,803.25
  5. Step 5: Solve for x
    x = 579,468,231,156,803.25/27,602,899.32
  6. Step 6: Final answer
    x = 20,993,020.50

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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.