Home / 40,073,913.72-55,302,106.16-21,739,199.22

Finding the Fourth Proportional to 40,073,913.72, 55,302,106.16 and 21,739,199.22

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Solution

The fourth proportional to 40,073,913.72, 55,302,106.16 and 21,739,199.22 is: 30,000,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073,913.72 : 55,302,106.16 = 21,739,199.22 : x
  2. Step 2: Convert to fraction form
    40,073,913.72/55,302,106.16 = 21,739,199.22/x
  3. Step 3: Cross multiply
    40,073,913.72x = 55,302,106.16 × 21,739,199.22
  4. Step 4: Simplify right side
    40,073,913.72x = 1,202,223,503,097,829
  5. Step 5: Solve for x
    x = 1,202,223,503,097,829/40,073,913.72
  6. Step 6: Final answer
    x = 30,000,152.01

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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.