Home / 31,922,421.68-47,890,357.49-10,355,339.36

Finding the Fourth Proportional to 31,922,421.68, 47,890,357.49 and 10,355,339.36

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Solution

The fourth proportional to 31,922,421.68, 47,890,357.49 and 10,355,339.36 is: 15,535,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922,421.68 : 47,890,357.49 = 10,355,339.36 : x
  2. Step 2: Convert to fraction form
    31,922,421.68/47,890,357.49 = 10,355,339.36/x
  3. Step 3: Cross multiply
    31,922,421.68x = 47,890,357.49 × 10,355,339.36
  4. Step 4: Simplify right side
    31,922,421.68x = 495,920,903,667,104.38
  5. Step 5: Solve for x
    x = 495,920,903,667,104.38/31,922,421.68
  6. Step 6: Final answer
    x = 15,535,190.55

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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.