Home / 19,688,287.21-27,169,836.90-10,867,740.32

Finding the Fourth Proportional to 19,688,287.21, 27,169,836.90 and 10,867,740.32

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Solution

The fourth proportional to 19,688,287.21, 27,169,836.90 and 10,867,740.32 is: 14,997,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688,287.21 : 27,169,836.90 = 10,867,740.32 : x
  2. Step 2: Convert to fraction form
    19,688,287.21/27,169,836.90 = 10,867,740.32/x
  3. Step 3: Cross multiply
    19,688,287.21x = 27,169,836.90 × 10,867,740.32
  4. Step 4: Simplify right side
    19,688,287.21x = 295,274,731,965,953.81
  5. Step 5: Solve for x
    x = 295,274,731,965,953.81/19,688,287.21
  6. Step 6: Final answer
    x = 14,997,481.95

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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.