Home / 28,184,758.22-42,261,751.78-8,486,011.82

Finding the Fourth Proportional to 28,184,758.22, 42,261,751.78 and 8,486,011.82

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Solution

The fourth proportional to 28,184,758.22, 42,261,751.78 and 8,486,011.82 is: 12,724,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184,758.22 : 42,261,751.78 = 8,486,011.82 : x
  2. Step 2: Convert to fraction form
    28,184,758.22/42,261,751.78 = 8,486,011.82/x
  3. Step 3: Cross multiply
    28,184,758.22x = 42,261,751.78 × 8,486,011.82
  4. Step 4: Simplify right side
    28,184,758.22x = 358,633,724,885,247.19
  5. Step 5: Solve for x
    x = 358,633,724,885,247.19/28,184,758.22
  6. Step 6: Final answer
    x = 12,724,385.36

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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.