Home / 20,671,554-31,007,593.56-7,208,382

Finding the Fourth Proportional to 20,671,554, 31,007,593.56 and 7,208,382

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Solution

The fourth proportional to 20,671,554, 31,007,593.56 and 7,208,382 is: 10,812,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,554 : 31,007,593.56 = 7,208,382 : x
  2. Step 2: Convert to fraction form
    20,671,554/31,007,593.56 = 7,208,382/x
  3. Step 3: Cross multiply
    20,671,554x = 31,007,593.56 × 7,208,382
  4. Step 4: Simplify right side
    20,671,554x = 223,514,579,281,219.91
  5. Step 5: Solve for x
    x = 223,514,579,281,219.91/20,671,554
  6. Step 6: Final answer
    x = 10,812,664.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.