Home / 8,308,538.80-12,461,886.60-6,810,017.20

Finding the Fourth Proportional to 8,308,538.80, 12,461,886.60 and 6,810,017.20

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Solution

The fourth proportional to 8,308,538.80, 12,461,886.60 and 6,810,017.20 is: 10,214,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,538.80 : 12,461,886.60 = 6,810,017.20 : x
  2. Step 2: Convert to fraction form
    8,308,538.80/12,461,886.60 = 6,810,017.20/x
  3. Step 3: Cross multiply
    8,308,538.80x = 12,461,886.60 × 6,810,017.20
  4. Step 4: Simplify right side
    8,308,538.80x = 84,865,662,090,449.52
  5. Step 5: Solve for x
    x = 84,865,662,090,449.52/8,308,538.80
  6. Step 6: Final answer
    x = 10,214,270.42

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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.