Home / 8,213,459.49-12,319,248.04-2,148,776.46

Finding the Fourth Proportional to 8,213,459.49, 12,319,248.04 and 2,148,776.46

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Solution

The fourth proportional to 8,213,459.49, 12,319,248.04 and 2,148,776.46 is: 3,222,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,459.49 : 12,319,248.04 = 2,148,776.46 : x
  2. Step 2: Convert to fraction form
    8,213,459.49/12,319,248.04 = 2,148,776.46/x
  3. Step 3: Cross multiply
    8,213,459.49x = 12,319,248.04 × 2,148,776.46
  4. Step 4: Simplify right side
    8,213,459.49x = 26,471,310,187,881.20
  5. Step 5: Solve for x
    x = 26,471,310,187,881.20/8,213,459.49
  6. Step 6: Final answer
    x = 3,222,918.46

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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.