Home / 30,165,670.34-45,262,421.50-13,775,979.16

Finding the Fourth Proportional to 30,165,670.34, 45,262,421.50 and 13,775,979.16

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Solution

The fourth proportional to 30,165,670.34, 45,262,421.50 and 13,775,979.16 is: 20,670,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165,670.34 : 45,262,421.50 = 13,775,979.16 : x
  2. Step 2: Convert to fraction form
    30,165,670.34/45,262,421.50 = 13,775,979.16/x
  3. Step 3: Cross multiply
    30,165,670.34x = 45,262,421.50 × 13,775,979.16
  4. Step 4: Simplify right side
    30,165,670.34x = 623,534,175,167,540
  5. Step 5: Solve for x
    x = 623,534,175,167,540/30,165,670.34
  6. Step 6: Final answer
    x = 20,670,323.85

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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.