Home / 28,397,274.30-39,191,352.12-16,478,713.31

Finding the Fourth Proportional to 28,397,274.30, 39,191,352.12 and 16,478,713.31

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Solution

The fourth proportional to 28,397,274.30, 39,191,352.12 and 16,478,713.31 is: 22,742,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397,274.30 : 39,191,352.12 = 16,478,713.31 : x
  2. Step 2: Convert to fraction form
    28,397,274.30/39,191,352.12 = 16,478,713.31/x
  3. Step 3: Cross multiply
    28,397,274.30x = 39,191,352.12 × 16,478,713.31
  4. Step 4: Simplify right side
    28,397,274.30x = 645,823,055,620,783.88
  5. Step 5: Solve for x
    x = 645,823,055,620,783.88/28,397,274.30
  6. Step 6: Final answer
    x = 22,742,431.15

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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.