Home / 20,265,133.84-30,400,849.98-6,805,111.12

Finding the Fourth Proportional to 20,265,133.84, 30,400,849.98 and 6,805,111.12

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Solution

The fourth proportional to 20,265,133.84, 30,400,849.98 and 6,805,111.12 is: 10,208,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265,133.84 : 30,400,849.98 = 6,805,111.12 : x
  2. Step 2: Convert to fraction form
    20,265,133.84/30,400,849.98 = 6,805,111.12/x
  3. Step 3: Cross multiply
    20,265,133.84x = 30,400,849.98 × 6,805,111.12
  4. Step 4: Simplify right side
    20,265,133.84x = 206,881,162,256,349.78
  5. Step 5: Solve for x
    x = 206,881,162,256,349.78/20,265,133.84
  6. Step 6: Final answer
    x = 10,208,724.20

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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.