Home / 36,699,143.20-55,046,965.20-12,435,690.40

Finding the Fourth Proportional to 36,699,143.20, 55,046,965.20 and 12,435,690.40

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Solution

The fourth proportional to 36,699,143.20, 55,046,965.20 and 12,435,690.40 is: 18,652,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699,143.20 : 55,046,965.20 = 12,435,690.40 : x
  2. Step 2: Convert to fraction form
    36,699,143.20/55,046,965.20 = 12,435,690.40/x
  3. Step 3: Cross multiply
    36,699,143.20x = 55,046,965.20 × 12,435,690.40
  4. Step 4: Simplify right side
    36,699,143.20x = 684,547,016,686,774.12
  5. Step 5: Solve for x
    x = 684,547,016,686,774.12/36,699,143.20
  6. Step 6: Final answer
    x = 18,652,942.74

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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.