Home / 20,265,135.84-30,400,852.98-6,805,113.12

Finding the Fourth Proportional to 20,265,135.84, 30,400,852.98 and 6,805,113.12

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Solution

The fourth proportional to 20,265,135.84, 30,400,852.98 and 6,805,113.12 is: 10,208,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265,135.84 : 30,400,852.98 = 6,805,113.12 : x
  2. Step 2: Convert to fraction form
    20,265,135.84/30,400,852.98 = 6,805,113.12/x
  3. Step 3: Cross multiply
    20,265,135.84x = 30,400,852.98 × 6,805,113.12
  4. Step 4: Simplify right side
    20,265,135.84x = 206,881,243,473,389.09
  5. Step 5: Solve for x
    x = 206,881,243,473,389.09/20,265,135.84
  6. Step 6: Final answer
    x = 10,208,727.20

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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.