Home / 12,958,167.40-19,437,251.10-12,769,210.60

Finding the Fourth Proportional to 12,958,167.40, 19,437,251.10 and 12,769,210.60

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Solution

The fourth proportional to 12,958,167.40, 19,437,251.10 and 12,769,210.60 is: 19,153,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958,167.40 : 19,437,251.10 = 12,769,210.60 : x
  2. Step 2: Convert to fraction form
    12,958,167.40/19,437,251.10 = 12,769,210.60/x
  3. Step 3: Cross multiply
    12,958,167.40x = 19,437,251.10 × 12,769,210.60
  4. Step 4: Simplify right side
    12,958,167.40x = 248,198,352,780,981.66
  5. Step 5: Solve for x
    x = 248,198,352,780,981.66/12,958,167.40
  6. Step 6: Final answer
    x = 19,153,815.90

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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.