Home / 7,805,616.40-11,708,424.60-2,125,831.60

Finding the Fourth Proportional to 7,805,616.40, 11,708,424.60 and 2,125,831.60

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Solution

The fourth proportional to 7,805,616.40, 11,708,424.60 and 2,125,831.60 is: 3,188,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,805,616.40 : 11,708,424.60 = 2,125,831.60 : x
  2. Step 2: Convert to fraction form
    7,805,616.40/11,708,424.60 = 2,125,831.60/x
  3. Step 3: Cross multiply
    7,805,616.40x = 11,708,424.60 × 2,125,831.60
  4. Step 4: Simplify right side
    7,805,616.40x = 24,890,139,000,897.36
  5. Step 5: Solve for x
    x = 24,890,139,000,897.36/7,805,616.40
  6. Step 6: Final answer
    x = 3,188,747.40

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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.