Home / 36,698,839.20-55,046,509.20-12,435,386.40

Finding the Fourth Proportional to 36,698,839.20, 55,046,509.20 and 12,435,386.40

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Solution

The fourth proportional to 36,698,839.20, 55,046,509.20 and 12,435,386.40 is: 18,652,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,698,839.20 : 55,046,509.20 = 12,435,386.40 : x
  2. Step 2: Convert to fraction form
    36,698,839.20/55,046,509.20 = 12,435,386.40/x
  3. Step 3: Cross multiply
    36,698,839.20x = 55,046,509.20 × 12,435,386.40
  4. Step 4: Simplify right side
    36,698,839.20x = 684,524,611,873,155
  5. Step 5: Solve for x
    x = 684,524,611,873,155/36,698,839.20
  6. Step 6: Final answer
    x = 18,652,486.75

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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.