Home / 15,945,383.76-22,005,345.04-8,978,457.12

Finding the Fourth Proportional to 15,945,383.76, 22,005,345.04 and 8,978,457.12

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Solution

The fourth proportional to 15,945,383.76, 22,005,345.04 and 8,978,457.12 is: 12,390,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945,383.76 : 22,005,345.04 = 8,978,457.12 : x
  2. Step 2: Convert to fraction form
    15,945,383.76/22,005,345.04 = 8,978,457.12/x
  3. Step 3: Cross multiply
    15,945,383.76x = 22,005,345.04 × 8,978,457.12
  4. Step 4: Simplify right side
    15,945,383.76x = 197,574,046,852,444.66
  5. Step 5: Solve for x
    x = 197,574,046,852,444.66/15,945,383.76
  6. Step 6: Final answer
    x = 12,390,673.68

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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.