Home / 9,771,820.80-14,667,062.40-8,353,478.40

Finding the Fourth Proportional to 9,771,820.80, 14,667,062.40 and 8,353,478.40

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Solution

The fourth proportional to 9,771,820.80, 14,667,062.40 and 8,353,478.40 is: 12,538,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,771,820.80 : 14,667,062.40 = 8,353,478.40 : x
  2. Step 2: Convert to fraction form
    9,771,820.80/14,667,062.40 = 8,353,478.40/x
  3. Step 3: Cross multiply
    9,771,820.80x = 14,667,062.40 × 8,353,478.40
  4. Step 4: Simplify right side
    9,771,820.80x = 122,520,988,949,852.17
  5. Step 5: Solve for x
    x = 122,520,988,949,852.17/9,771,820.80
  6. Step 6: Final answer
    x = 12,538,194.41

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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.