Home / 22,551,826.94-31,105,441.17-20,697,218.13

Finding the Fourth Proportional to 22,551,826.94, 31,105,441.17 and 20,697,218.13

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Solution

The fourth proportional to 22,551,826.94, 31,105,441.17 and 20,697,218.13 is: 28,547,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,551,826.94 : 31,105,441.17 = 20,697,218.13 : x
  2. Step 2: Convert to fraction form
    22,551,826.94/31,105,441.17 = 20,697,218.13/x
  3. Step 3: Cross multiply
    22,551,826.94x = 31,105,441.17 × 20,697,218.13
  4. Step 4: Simplify right side
    22,551,826.94x = 643,796,100,925,372.38
  5. Step 5: Solve for x
    x = 643,796,100,925,372.38/22,551,826.94
  6. Step 6: Final answer
    x = 28,547,403.40

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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.