Home / 13,399,011.31-20,100,509.89-6,211,271.79

Finding the Fourth Proportional to 13,399,011.31, 20,100,509.89 and 6,211,271.79

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Solution

The fourth proportional to 13,399,011.31, 20,100,509.89 and 6,211,271.79 is: 9,317,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399,011.31 : 20,100,509.89 = 6,211,271.79 : x
  2. Step 2: Convert to fraction form
    13,399,011.31/20,100,509.89 = 6,211,271.79/x
  3. Step 3: Cross multiply
    13,399,011.31x = 20,100,509.89 × 6,211,271.79
  4. Step 4: Simplify right side
    13,399,011.31x = 124,849,730,044,373
  5. Step 5: Solve for x
    x = 124,849,730,044,373/13,399,011.31
  6. Step 6: Final answer
    x = 9,317,831.53

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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.