Home / 30,583,079.60-45,874,619.40-12,395,987.60

Finding the Fourth Proportional to 30,583,079.60, 45,874,619.40 and 12,395,987.60

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Solution

The fourth proportional to 30,583,079.60, 45,874,619.40 and 12,395,987.60 is: 18,593,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,583,079.60 : 45,874,619.40 = 12,395,987.60 : x
  2. Step 2: Convert to fraction form
    30,583,079.60/45,874,619.40 = 12,395,987.60/x
  3. Step 3: Cross multiply
    30,583,079.60x = 45,874,619.40 × 12,395,987.60
  4. Step 4: Simplify right side
    30,583,079.60x = 568,661,213,237,119.38
  5. Step 5: Solve for x
    x = 568,661,213,237,119.38/30,583,079.60
  6. Step 6: Final answer
    x = 18,593,981.40

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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.