Home / 13,527,491.76-18,667,438.32-7,332,405.47

Finding the Fourth Proportional to 13,527,491.76, 18,667,438.32 and 7,332,405.47

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Solution

The fourth proportional to 13,527,491.76, 18,667,438.32 and 7,332,405.47 is: 10,118,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527,491.76 : 18,667,438.32 = 7,332,405.47 : x
  2. Step 2: Convert to fraction form
    13,527,491.76/18,667,438.32 = 7,332,405.47/x
  3. Step 3: Cross multiply
    13,527,491.76x = 18,667,438.32 × 7,332,405.47
  4. Step 4: Simplify right side
    13,527,491.76x = 136,877,226,755,118.42
  5. Step 5: Solve for x
    x = 136,877,226,755,118.42/13,527,491.76
  6. Step 6: Final answer
    x = 10,118,448.36

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1.5x scale

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.