Home / 20,281,053.15-27,989,226.51-11,457,444.11

Finding the Fourth Proportional to 20,281,053.15, 27,989,226.51 and 11,457,444.11

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Solution

The fourth proportional to 20,281,053.15, 27,989,226.51 and 11,457,444.11 is: 15,812,048.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281,053.15 : 27,989,226.51 = 11,457,444.11 : x
  2. Step 2: Convert to fraction form
    20,281,053.15/27,989,226.51 = 11,457,444.11/x
  3. Step 3: Cross multiply
    20,281,053.15x = 27,989,226.51 × 11,457,444.11
  4. Step 4: Simplify right side
    20,281,053.15x = 320,684,998,454,040.50
  5. Step 5: Solve for x
    x = 320,684,998,454,040.50/20,281,053.15
  6. Step 6: Final answer
    x = 15,812,048.62

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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.