Home / 20,845,062.02-28,766,188.32-11,553,231.98

Finding the Fourth Proportional to 20,845,062.02, 28,766,188.32 and 11,553,231.98

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Solution

The fourth proportional to 20,845,062.02, 28,766,188.32 and 11,553,231.98 is: 15,943,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,845,062.02 : 28,766,188.32 = 11,553,231.98 : x
  2. Step 2: Convert to fraction form
    20,845,062.02/28,766,188.32 = 11,553,231.98/x
  3. Step 3: Cross multiply
    20,845,062.02x = 28,766,188.32 × 11,553,231.98
  4. Step 4: Simplify right side
    20,845,062.02x = 332,342,446,841,326.50
  5. Step 5: Solve for x
    x = 332,342,446,841,326.50/20,845,062.02
  6. Step 6: Final answer
    x = 15,943,461.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.