Home / 17,968,280.80-26,952,421.20-8,402,342.80

Finding the Fourth Proportional to 17,968,280.80, 26,952,421.20 and 8,402,342.80

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Solution

The fourth proportional to 17,968,280.80, 26,952,421.20 and 8,402,342.80 is: 12,603,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968,280.80 : 26,952,421.20 = 8,402,342.80 : x
  2. Step 2: Convert to fraction form
    17,968,280.80/26,952,421.20 = 8,402,342.80/x
  3. Step 3: Cross multiply
    17,968,280.80x = 26,952,421.20 × 8,402,342.80
  4. Step 4: Simplify right side
    17,968,280.80x = 226,463,482,212,387.38
  5. Step 5: Solve for x
    x = 226,463,482,212,387.38/17,968,280.80
  6. Step 6: Final answer
    x = 12,603,514.20

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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.