Home / 8,475,800.40-12,692,705.40-5,438,494.80

Finding the Fourth Proportional to 8,475,800.40, 12,692,705.40 and 5,438,494.80

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Solution

The fourth proportional to 8,475,800.40, 12,692,705.40 and 5,438,494.80 is: 8,144,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475,800.40 : 12,692,705.40 = 5,438,494.80 : x
  2. Step 2: Convert to fraction form
    8,475,800.40/12,692,705.40 = 5,438,494.80/x
  3. Step 3: Cross multiply
    8,475,800.40x = 12,692,705.40 × 5,438,494.80
  4. Step 4: Simplify right side
    8,475,800.40x = 69,029,212,315,831.92
  5. Step 5: Solve for x
    x = 69,029,212,315,831.92/8,475,800.40
  6. Step 6: Final answer
    x = 8,144,270.64

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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.