Home / 18,403,952.40-27,605,669.40-8,306,557.20

Finding the Fourth Proportional to 18,403,952.40, 27,605,669.40 and 8,306,557.20

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Solution

The fourth proportional to 18,403,952.40, 27,605,669.40 and 8,306,557.20 is: 12,459,718.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,952.40 : 27,605,669.40 = 8,306,557.20 : x
  2. Step 2: Convert to fraction form
    18,403,952.40/27,605,669.40 = 8,306,557.20/x
  3. Step 3: Cross multiply
    18,403,952.40x = 27,605,669.40 × 8,306,557.20
  4. Step 4: Simplify right side
    18,403,952.40x = 229,308,071,915,389.69
  5. Step 5: Solve for x
    x = 229,308,071,915,389.69/18,403,952.40
  6. Step 6: Final answer
    x = 12,459,718.81

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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.