Home / 31,641,064.94-47,466,145.51-9,783,148.82

Finding the Fourth Proportional to 31,641,064.94, 47,466,145.51 and 9,783,148.82

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Solution

The fourth proportional to 31,641,064.94, 47,466,145.51 and 9,783,148.82 is: 14,676,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641,064.94 : 47,466,145.51 = 9,783,148.82 : x
  2. Step 2: Convert to fraction form
    31,641,064.94/47,466,145.51 = 9,783,148.82/x
  3. Step 3: Cross multiply
    31,641,064.94x = 47,466,145.51 × 9,783,148.82
  4. Step 4: Simplify right side
    31,641,064.94x = 464,368,365,530,312.31
  5. Step 5: Solve for x
    x = 464,368,365,530,312.31/31,641,064.94
  6. Step 6: Final answer
    x = 14,676,129.47

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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.