Home / 31,922,423.18-47,890,359.75-10,355,340.86

Finding the Fourth Proportional to 31,922,423.18, 47,890,359.75 and 10,355,340.86

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Solution

The fourth proportional to 31,922,423.18, 47,890,359.75 and 10,355,340.86 is: 15,535,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922,423.18 : 47,890,359.75 = 10,355,340.86 : x
  2. Step 2: Convert to fraction form
    31,922,423.18/47,890,359.75 = 10,355,340.86/x
  3. Step 3: Cross multiply
    31,922,423.18x = 47,890,359.75 × 10,355,340.86
  4. Step 4: Simplify right side
    31,922,423.18x = 495,920,998,879,822.62
  5. Step 5: Solve for x
    x = 495,920,998,879,822.62/31,922,423.18
  6. Step 6: Final answer
    x = 15,535,192.81

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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.