Home / 28,378,347.93-39,162,118.65-15,325,605.59

Finding the Fourth Proportional to 28,378,347.93, 39,162,118.65 and 15,325,605.59

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Solution

The fourth proportional to 28,378,347.93, 39,162,118.65 and 15,325,605.59 is: 21,149,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,378,347.93 : 39,162,118.65 = 15,325,605.59 : x
  2. Step 2: Convert to fraction form
    28,378,347.93/39,162,118.65 = 15,325,605.59/x
  3. Step 3: Cross multiply
    28,378,347.93x = 39,162,118.65 × 15,325,605.59
  4. Step 4: Simplify right side
    28,378,347.93x = 600,183,184,596,588.50
  5. Step 5: Solve for x
    x = 600,183,184,596,588.50/28,378,347.93
  6. Step 6: Final answer
    x = 21,149,334.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.