Home / 18,855,656.04-28,271,908.95-7,327,662.94

Finding the Fourth Proportional to 18,855,656.04, 28,271,908.95 and 7,327,662.94

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Solution

The fourth proportional to 18,855,656.04, 28,271,908.95 and 7,327,662.94 is: 10,986,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855,656.04 : 28,271,908.95 = 7,327,662.94 : x
  2. Step 2: Convert to fraction form
    18,855,656.04/28,271,908.95 = 7,327,662.94/x
  3. Step 3: Cross multiply
    18,855,656.04x = 28,271,908.95 × 7,327,662.94
  4. Step 4: Simplify right side
    18,855,656.04x = 207,167,019,463,830.47
  5. Step 5: Solve for x
    x = 207,167,019,463,830.47/18,855,656.04
  6. Step 6: Final answer
    x = 10,986,996.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.