Home / 12,074,359.22-16,671,968.40-9,279,054.80

Finding the Fourth Proportional to 12,074,359.22, 16,671,968.40 and 9,279,054.80

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Solution

The fourth proportional to 12,074,359.22, 16,671,968.40 and 9,279,054.80 is: 12,812,283.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,359.22 : 16,671,968.40 = 9,279,054.80 : x
  2. Step 2: Convert to fraction form
    12,074,359.22/16,671,968.40 = 9,279,054.80/x
  3. Step 3: Cross multiply
    12,074,359.22x = 16,671,968.40 × 9,279,054.80
  4. Step 4: Simplify right side
    12,074,359.22x = 154,700,108,407,468.34
  5. Step 5: Solve for x
    x = 154,700,108,407,468.34/12,074,359.22
  6. Step 6: Final answer
    x = 12,812,283.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.