Home / 28,771,401.28-43,163,322.72-15,306,272.32

Finding the Fourth Proportional to 28,771,401.28, 43,163,322.72 and 15,306,272.32

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Solution

The fourth proportional to 28,771,401.28, 43,163,322.72 and 15,306,272.32 is: 22,962,717.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771,401.28 : 43,163,322.72 = 15,306,272.32 : x
  2. Step 2: Convert to fraction form
    28,771,401.28/43,163,322.72 = 15,306,272.32/x
  3. Step 3: Cross multiply
    28,771,401.28x = 43,163,322.72 × 15,306,272.32
  4. Step 4: Simplify right side
    28,771,401.28x = 660,669,571,788,363.12
  5. Step 5: Solve for x
    x = 660,669,571,788,363.12/28,771,401.28
  6. Step 6: Final answer
    x = 22,962,717.92

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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.