Home / 28,537,067.20-42,805,600.80-26,353,566.40

Finding the Fourth Proportional to 28,537,067.20, 42,805,600.80 and 26,353,566.40

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Solution

The fourth proportional to 28,537,067.20, 42,805,600.80 and 26,353,566.40 is: 39,530,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537,067.20 : 42,805,600.80 = 26,353,566.40 : x
  2. Step 2: Convert to fraction form
    28,537,067.20/42,805,600.80 = 26,353,566.40/x
  3. Step 3: Cross multiply
    28,537,067.20x = 42,805,600.80 × 26,353,566.40
  4. Step 4: Simplify right side
    28,537,067.20x = 1,128,080,242,974,693
  5. Step 5: Solve for x
    x = 1,128,080,242,974,693/28,537,067.20
  6. Step 6: Final answer
    x = 39,530,349.60

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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.