Home / 14,275,320.40-19,700,289.48-7,749,217.36

Finding the Fourth Proportional to 14,275,320.40, 19,700,289.48 and 7,749,217.36

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Solution

The fourth proportional to 14,275,320.40, 19,700,289.48 and 7,749,217.36 is: 10,694,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275,320.40 : 19,700,289.48 = 7,749,217.36 : x
  2. Step 2: Convert to fraction form
    14,275,320.40/19,700,289.48 = 7,749,217.36/x
  3. Step 3: Cross multiply
    14,275,320.40x = 19,700,289.48 × 7,749,217.36
  4. Step 4: Simplify right side
    14,275,320.40x = 152,661,825,235,441.38
  5. Step 5: Solve for x
    x = 152,661,825,235,441.38/14,275,320.40
  6. Step 6: Final answer
    x = 10,694,108.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.