Home / 12,950,810.20-19,426,215.30-6,978,842.20

Finding the Fourth Proportional to 12,950,810.20, 19,426,215.30 and 6,978,842.20

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Solution

The fourth proportional to 12,950,810.20, 19,426,215.30 and 6,978,842.20 is: 10,468,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,810.20 : 19,426,215.30 = 6,978,842.20 : x
  2. Step 2: Convert to fraction form
    12,950,810.20/19,426,215.30 = 6,978,842.20/x
  3. Step 3: Cross multiply
    12,950,810.20x = 19,426,215.30 × 6,978,842.20
  4. Step 4: Simplify right side
    12,950,810.20x = 135,572,491,121,925.67
  5. Step 5: Solve for x
    x = 135,572,491,121,925.67/12,950,810.20
  6. Step 6: Final answer
    x = 10,468,263.30

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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.