Home / 14,615,794.50-20,168,430.21-8,734,261.86

Finding the Fourth Proportional to 14,615,794.50, 20,168,430.21 and 8,734,261.86

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Solution

The fourth proportional to 14,615,794.50, 20,168,430.21 and 8,734,261.86 is: 12,052,464.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615,794.50 : 20,168,430.21 = 8,734,261.86 : x
  2. Step 2: Convert to fraction form
    14,615,794.50/20,168,430.21 = 8,734,261.86/x
  3. Step 3: Cross multiply
    14,615,794.50x = 20,168,430.21 × 8,734,261.86
  4. Step 4: Simplify right side
    14,615,794.50x = 176,156,350,759,274.78
  5. Step 5: Solve for x
    x = 176,156,350,759,274.78/14,615,794.50
  6. Step 6: Final answer
    x = 12,052,464.94

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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.