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Finding the Fourth Proportional to 9,860,950.80, 14,784,427.80 and 4,472,182.80

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Solution

The fourth proportional to 9,860,950.80, 14,784,427.80 and 4,472,182.80 is: 6,705,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860,950.80 : 14,784,427.80 = 4,472,182.80 : x
  2. Step 2: Convert to fraction form
    9,860,950.80/14,784,427.80 = 4,472,182.80/x
  3. Step 3: Cross multiply
    9,860,950.80x = 14,784,427.80 × 4,472,182.80
  4. Step 4: Simplify right side
    9,860,950.80x = 66,118,663,715,001.84
  5. Step 5: Solve for x
    x = 66,118,663,715,001.84/9,860,950.80
  6. Step 6: Final answer
    x = 6,705,100.25

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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.