Home / 7,710,709.60-10,640,840.88-4,273,007.68

Finding the Fourth Proportional to 7,710,709.60, 10,640,840.88 and 4,273,007.68

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Solution

The fourth proportional to 7,710,709.60, 10,640,840.88 and 4,273,007.68 is: 5,896,784.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710,709.60 : 10,640,840.88 = 4,273,007.68 : x
  2. Step 2: Convert to fraction form
    7,710,709.60/10,640,840.88 = 4,273,007.68/x
  3. Step 3: Cross multiply
    7,710,709.60x = 10,640,840.88 × 4,273,007.68
  4. Step 4: Simplify right side
    7,710,709.60x = 45,468,394,801,897.96
  5. Step 5: Solve for x
    x = 45,468,394,801,897.96/7,710,709.60
  6. Step 6: Final answer
    x = 5,896,784.75

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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.