Home / 28,758,544.40-43,137,816.60-13,642,000.40

Finding the Fourth Proportional to 28,758,544.40, 43,137,816.60 and 13,642,000.40

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Solution

The fourth proportional to 28,758,544.40, 43,137,816.60 and 13,642,000.40 is: 20,463,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758,544.40 : 43,137,816.60 = 13,642,000.40 : x
  2. Step 2: Convert to fraction form
    28,758,544.40/43,137,816.60 = 13,642,000.40/x
  3. Step 3: Cross multiply
    28,758,544.40x = 43,137,816.60 × 13,642,000.40
  4. Step 4: Simplify right side
    28,758,544.40x = 588,486,111,312,326.62
  5. Step 5: Solve for x
    x = 588,486,111,312,326.62/28,758,544.40
  6. Step 6: Final answer
    x = 20,463,000.60

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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.