Home / 13,853,630.70-20,780,802.45-6,565,380.30

Finding the Fourth Proportional to 13,853,630.70, 20,780,802.45 and 6,565,380.30

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Solution

The fourth proportional to 13,853,630.70, 20,780,802.45 and 6,565,380.30 is: 9,848,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,630.70 : 20,780,802.45 = 6,565,380.30 : x
  2. Step 2: Convert to fraction form
    13,853,630.70/20,780,802.45 = 6,565,380.30/x
  3. Step 3: Cross multiply
    13,853,630.70x = 20,780,802.45 × 6,565,380.30
  4. Step 4: Simplify right side
    13,853,630.70x = 136,433,871,023,421.72
  5. Step 5: Solve for x
    x = 136,433,871,023,421.72/13,853,630.70
  6. Step 6: Final answer
    x = 9,848,239.35

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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.