Home / 36,699,189.20-55,047,034.20-12,435,736.40

Finding the Fourth Proportional to 36,699,189.20, 55,047,034.20 and 12,435,736.40

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Solution

The fourth proportional to 36,699,189.20, 55,047,034.20 and 12,435,736.40 is: 18,653,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699,189.20 : 55,047,034.20 = 12,435,736.40 : x
  2. Step 2: Convert to fraction form
    36,699,189.20/55,047,034.20 = 12,435,736.40/x
  3. Step 3: Cross multiply
    36,699,189.20x = 55,047,034.20 × 12,435,736.40
  4. Step 4: Simplify right side
    36,699,189.20x = 684,550,406,912,985
  5. Step 5: Solve for x
    x = 684,550,406,912,985/36,699,189.20
  6. Step 6: Final answer
    x = 18,653,011.74

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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.