Home / 32,919,275.89-45,392,203.50-20,979,184.22

Finding the Fourth Proportional to 32,919,275.89, 45,392,203.50 and 20,979,184.22

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Solution

The fourth proportional to 32,919,275.89, 45,392,203.50 and 20,979,184.22 is: 28,928,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,919,275.89 : 45,392,203.50 = 20,979,184.22 : x
  2. Step 2: Convert to fraction form
    32,919,275.89/45,392,203.50 = 20,979,184.22/x
  3. Step 3: Cross multiply
    32,919,275.89x = 45,392,203.50 × 20,979,184.22
  4. Step 4: Simplify right side
    32,919,275.89x = 952,291,399,479,940.38
  5. Step 5: Solve for x
    x = 952,291,399,479,940.38/32,919,275.89
  6. Step 6: Final answer
    x = 28,928,078.57

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1.5x scale

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.