Home / 8,578,104.12-12,869,646.53-3,457,891.62

Finding the Fourth Proportional to 8,578,104.12, 12,869,646.53 and 3,457,891.62

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Solution

The fourth proportional to 8,578,104.12, 12,869,646.53 and 3,457,891.62 is: 5,187,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,104.12 : 12,869,646.53 = 3,457,891.62 : x
  2. Step 2: Convert to fraction form
    8,578,104.12/12,869,646.53 = 3,457,891.62/x
  3. Step 3: Cross multiply
    8,578,104.12x = 12,869,646.53 × 3,457,891.62
  4. Step 4: Simplify right side
    8,578,104.12x = 44,501,842,871,159.62
  5. Step 5: Solve for x
    x = 44,501,842,871,159.62/8,578,104.12
  6. Step 6: Final answer
    x = 5,187,841.30

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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.