Home / 12,484,829.80-18,713,247.90-5,295,140.20

Finding the Fourth Proportional to 12,484,829.80, 18,713,247.90 and 5,295,140.20

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Solution

The fourth proportional to 12,484,829.80, 18,713,247.90 and 5,295,140.20 is: 7,936,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,829.80 : 18,713,247.90 = 5,295,140.20 : x
  2. Step 2: Convert to fraction form
    12,484,829.80/18,713,247.90 = 5,295,140.20/x
  3. Step 3: Cross multiply
    12,484,829.80x = 18,713,247.90 × 5,295,140.20
  4. Step 4: Simplify right side
    12,484,829.80x = 99,089,271,227,855.58
  5. Step 5: Solve for x
    x = 99,089,271,227,855.58/12,484,829.80
  6. Step 6: Final answer
    x = 7,936,773.89

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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.