Home / 15,605,999.80-23,408,999.70-8,413,831.60

Finding the Fourth Proportional to 15,605,999.80, 23,408,999.70 and 8,413,831.60

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Solution

The fourth proportional to 15,605,999.80, 23,408,999.70 and 8,413,831.60 is: 12,620,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605,999.80 : 23,408,999.70 = 8,413,831.60 : x
  2. Step 2: Convert to fraction form
    15,605,999.80/23,408,999.70 = 8,413,831.60/x
  3. Step 3: Cross multiply
    15,605,999.80x = 23,408,999.70 × 8,413,831.60
  4. Step 4: Simplify right side
    15,605,999.80x = 196,959,381,400,250.50
  5. Step 5: Solve for x
    x = 196,959,381,400,250.50/15,605,999.80
  6. Step 6: Final answer
    x = 12,620,747.40

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1.5x scale

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.