Home / 8,778,021.80-13,152,654.11-4,674,986.66

Finding the Fourth Proportional to 8,778,021.80, 13,152,654.11 and 4,674,986.66

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Solution

The fourth proportional to 8,778,021.80, 13,152,654.11 and 4,674,986.66 is: 7,004,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,021.80 : 13,152,654.11 = 4,674,986.66 : x
  2. Step 2: Convert to fraction form
    8,778,021.80/13,152,654.11 = 4,674,986.66/x
  3. Step 3: Cross multiply
    8,778,021.80x = 13,152,654.11 × 4,674,986.66
  4. Step 4: Simplify right side
    8,778,021.80x = 61,488,482,508,934.55
  5. Step 5: Solve for x
    x = 61,488,482,508,934.55/8,778,021.80
  6. Step 6: Final answer
    x = 7,004,822.26

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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.