Home / 38,061,468.36-52,524,875.58-20,657,811.72

Finding the Fourth Proportional to 38,061,468.36, 52,524,875.58 and 20,657,811.72

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Solution

The fourth proportional to 38,061,468.36, 52,524,875.58 and 20,657,811.72 is: 28,507,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,061,468.36 : 52,524,875.58 = 20,657,811.72 : x
  2. Step 2: Convert to fraction form
    38,061,468.36/52,524,875.58 = 20,657,811.72/x
  3. Step 3: Cross multiply
    38,061,468.36x = 52,524,875.58 × 20,657,811.72
  4. Step 4: Simplify right side
    38,061,468.36x = 1,085,048,990,348,065.75
  5. Step 5: Solve for x
    x = 1,085,048,990,348,065.75/38,061,468.36
  6. Step 6: Final answer
    x = 28,507,806.90

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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.