Home / 18,757,823.04-28,122,036.12-7,406,768.16

Finding the Fourth Proportional to 18,757,823.04, 28,122,036.12 and 7,406,768.16

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Solution

The fourth proportional to 18,757,823.04, 28,122,036.12 and 7,406,768.16 is: 11,104,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757,823.04 : 28,122,036.12 = 7,406,768.16 : x
  2. Step 2: Convert to fraction form
    18,757,823.04/28,122,036.12 = 7,406,768.16/x
  3. Step 3: Cross multiply
    18,757,823.04x = 28,122,036.12 × 7,406,768.16
  4. Step 4: Simplify right side
    18,757,823.04x = 208,293,401,727,985.94
  5. Step 5: Solve for x
    x = 208,293,401,727,985.94/18,757,823.04
  6. Step 6: Final answer
    x = 11,104,348.37

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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.