Home / 12,960,071.70-19,440,107.55-9,600,839.70

Finding the Fourth Proportional to 12,960,071.70, 19,440,107.55 and 9,600,839.70

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Solution

The fourth proportional to 12,960,071.70, 19,440,107.55 and 9,600,839.70 is: 14,401,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,071.70 : 19,440,107.55 = 9,600,839.70 : x
  2. Step 2: Convert to fraction form
    12,960,071.70/19,440,107.55 = 9,600,839.70/x
  3. Step 3: Cross multiply
    12,960,071.70x = 19,440,107.55 × 9,600,839.70
  4. Step 4: Simplify right side
    12,960,071.70x = 186,641,356,338,309.72
  5. Step 5: Solve for x
    x = 186,641,356,338,309.72/12,960,071.70
  6. Step 6: Final answer
    x = 14,401,259.55

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1.5x scale

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.