Home / 38,290,069.17-52,840,632.69-20,886,491.79

Finding the Fourth Proportional to 38,290,069.17, 52,840,632.69 and 20,886,491.79

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Solution

The fourth proportional to 38,290,069.17, 52,840,632.69 and 20,886,491.79 is: 28,823,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,069.17 : 52,840,632.69 = 20,886,491.79 : x
  2. Step 2: Convert to fraction form
    38,290,069.17/52,840,632.69 = 20,886,491.79/x
  3. Step 3: Cross multiply
    38,290,069.17x = 52,840,632.69 × 20,886,491.79
  4. Step 4: Simplify right side
    38,290,069.17x = 1,103,655,440,858,090.50
  5. Step 5: Solve for x
    x = 1,103,655,440,858,090.50/38,290,069.17
  6. Step 6: Final answer
    x = 28,823,542.63

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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.