Home / 28,222,733.53-38,964,068.43-17,777,703.55

Finding the Fourth Proportional to 28,222,733.53, 38,964,068.43 and 17,777,703.55

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Solution

The fourth proportional to 28,222,733.53, 38,964,068.43 and 17,777,703.55 is: 24,543,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222,733.53 : 38,964,068.43 = 17,777,703.55 : x
  2. Step 2: Convert to fraction form
    28,222,733.53/38,964,068.43 = 17,777,703.55/x
  3. Step 3: Cross multiply
    28,222,733.53x = 38,964,068.43 × 17,777,703.55
  4. Step 4: Simplify right side
    28,222,733.53x = 692,691,657,650,454
  5. Step 5: Solve for x
    x = 692,691,657,650,454/28,222,733.53
  6. Step 6: Final answer
    x = 24,543,747.93

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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.