Home / 31,920,699.78-47,887,784.01-10,353,626.82

Finding the Fourth Proportional to 31,920,699.78, 47,887,784.01 and 10,353,626.82

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Solution

The fourth proportional to 31,920,699.78, 47,887,784.01 and 10,353,626.82 is: 15,532,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920,699.78 : 47,887,784.01 = 10,353,626.82 : x
  2. Step 2: Convert to fraction form
    31,920,699.78/47,887,784.01 = 10,353,626.82/x
  3. Step 3: Cross multiply
    31,920,699.78x = 47,887,784.01 × 10,353,626.82
  4. Step 4: Simplify right side
    31,920,699.78x = 495,812,244,876,303.12
  5. Step 5: Solve for x
    x = 495,812,244,876,303.12/31,920,699.78
  6. Step 6: Final answer
    x = 15,532,624.54

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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.