Home / 13,582,437.52-18,737,580.90-8,072,681.44

Finding the Fourth Proportional to 13,582,437.52, 18,737,580.90 and 8,072,681.44

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Solution

The fourth proportional to 13,582,437.52, 18,737,580.90 and 8,072,681.44 is: 11,136,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582,437.52 : 18,737,580.90 = 8,072,681.44 : x
  2. Step 2: Convert to fraction form
    13,582,437.52/18,737,580.90 = 8,072,681.44/x
  3. Step 3: Cross multiply
    13,582,437.52x = 18,737,580.90 × 8,072,681.44
  4. Step 4: Simplify right side
    13,582,437.52x = 151,262,521,561,928.50
  5. Step 5: Solve for x
    x = 151,262,521,561,928.50/13,582,437.52
  6. Step 6: Final answer
    x = 11,136,625.61

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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.