Home / 7,884,962.80-11,827,444.20-2,205,631.60

Finding the Fourth Proportional to 7,884,962.80, 11,827,444.20 and 2,205,631.60

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Solution

The fourth proportional to 7,884,962.80, 11,827,444.20 and 2,205,631.60 is: 3,308,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,962.80 : 11,827,444.20 = 2,205,631.60 : x
  2. Step 2: Convert to fraction form
    7,884,962.80/11,827,444.20 = 2,205,631.60/x
  3. Step 3: Cross multiply
    7,884,962.80x = 11,827,444.20 × 2,205,631.60
  4. Step 4: Simplify right side
    7,884,962.80x = 26,086,984,674,756.72
  5. Step 5: Solve for x
    x = 26,086,984,674,756.72/7,884,962.80
  6. Step 6: Final answer
    x = 3,308,447.40

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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.