Home / 13,776,979.20-20,654,271.36-4,807,829.76

Finding the Fourth Proportional to 13,776,979.20, 20,654,271.36 and 4,807,829.76

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Solution

The fourth proportional to 13,776,979.20, 20,654,271.36 and 4,807,829.76 is: 7,207,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776,979.20 : 20,654,271.36 = 4,807,829.76 : x
  2. Step 2: Convert to fraction form
    13,776,979.20/20,654,271.36 = 4,807,829.76/x
  3. Step 3: Cross multiply
    13,776,979.20x = 20,654,271.36 × 4,807,829.76
  4. Step 4: Simplify right side
    13,776,979.20x = 99,302,220,515,723.67
  5. Step 5: Solve for x
    x = 99,302,220,515,723.67/13,776,979.20
  6. Step 6: Final answer
    x = 7,207,837.01

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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.