Home / 8,525,814.40-12,772,132.80-5,149,993.60

Finding the Fourth Proportional to 8,525,814.40, 12,772,132.80 and 5,149,993.60

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Solution

The fourth proportional to 8,525,814.40, 12,772,132.80 and 5,149,993.60 is: 7,714,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525,814.40 : 12,772,132.80 = 5,149,993.60 : x
  2. Step 2: Convert to fraction form
    8,525,814.40/12,772,132.80 = 5,149,993.60/x
  3. Step 3: Cross multiply
    8,525,814.40x = 12,772,132.80 × 5,149,993.60
  4. Step 4: Simplify right side
    8,525,814.40x = 65,776,402,178,350.08
  5. Step 5: Solve for x
    x = 65,776,402,178,350.08/8,525,814.40
  6. Step 6: Final answer
    x = 7,714,969.98

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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.