Home / 38,211,792.84-52,730,881.92-20,807,756.28

Finding the Fourth Proportional to 38,211,792.84, 52,730,881.92 and 20,807,756.28

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Solution

The fourth proportional to 38,211,792.84, 52,730,881.92 and 20,807,756.28 is: 28,713,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211,792.84 : 52,730,881.92 = 20,807,756.28 : x
  2. Step 2: Convert to fraction form
    38,211,792.84/52,730,881.92 = 20,807,756.28/x
  3. Step 3: Cross multiply
    38,211,792.84x = 52,730,881.92 × 20,807,756.28
  4. Step 4: Simplify right side
    38,211,792.84x = 1,097,211,339,420,818.50
  5. Step 5: Solve for x
    x = 1,097,211,339,420,818.50/38,211,792.84
  6. Step 6: Final answer
    x = 28,713,945.56

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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.