Home / 28,962,557.30-43,431,005.55-9,788,107.70

Finding the Fourth Proportional to 28,962,557.30, 43,431,005.55 and 9,788,107.70

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Solution

The fourth proportional to 28,962,557.30, 43,431,005.55 and 9,788,107.70 is: 14,677,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962,557.30 : 43,431,005.55 = 9,788,107.70 : x
  2. Step 2: Convert to fraction form
    28,962,557.30/43,431,005.55 = 9,788,107.70/x
  3. Step 3: Cross multiply
    28,962,557.30x = 43,431,005.55 × 9,788,107.70
  4. Step 4: Simplify right side
    28,962,557.30x = 425,107,359,842,697.69
  5. Step 5: Solve for x
    x = 425,107,359,842,697.69/28,962,557.30
  6. Step 6: Final answer
    x = 14,677,825.42

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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.