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Finding the Fourth Proportional to 9,969,281.70, 14,953,922.55 and 3,238,376.10

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Solution

The fourth proportional to 9,969,281.70, 14,953,922.55 and 3,238,376.10 is: 4,857,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969,281.70 : 14,953,922.55 = 3,238,376.10 : x
  2. Step 2: Convert to fraction form
    9,969,281.70/14,953,922.55 = 3,238,376.10/x
  3. Step 3: Cross multiply
    9,969,281.70x = 14,953,922.55 × 3,238,376.10
  4. Step 4: Simplify right side
    9,969,281.70x = 48,426,425,387,171.06
  5. Step 5: Solve for x
    x = 48,426,425,387,171.06/9,969,281.70
  6. Step 6: Final answer
    x = 4,857,564.15

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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.