Home / 28,025,878.80-42,034,881.60-8,858,573.40

Finding the Fourth Proportional to 28,025,878.80, 42,034,881.60 and 8,858,573.40

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Solution

The fourth proportional to 28,025,878.80, 42,034,881.60 and 8,858,573.40 is: 13,286,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025,878.80 : 42,034,881.60 = 8,858,573.40 : x
  2. Step 2: Convert to fraction form
    28,025,878.80/42,034,881.60 = 8,858,573.40/x
  3. Step 3: Cross multiply
    28,025,878.80x = 42,034,881.60 × 8,858,573.40
  4. Step 4: Simplify right side
    28,025,878.80x = 372,369,084,013,909.50
  5. Step 5: Solve for x
    x = 372,369,084,013,909.50/28,025,878.80
  6. Step 6: Final answer
    x = 13,286,615.80

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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.