Home / 19,123,903.28-26,395,246.10-12,153,221.62

Finding the Fourth Proportional to 19,123,903.28, 26,395,246.10 and 12,153,221.62

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Solution

The fourth proportional to 19,123,903.28, 26,395,246.10 and 12,153,221.62 is: 16,774,152.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123,903.28 : 26,395,246.10 = 12,153,221.62 : x
  2. Step 2: Convert to fraction form
    19,123,903.28/26,395,246.10 = 12,153,221.62/x
  3. Step 3: Cross multiply
    19,123,903.28x = 26,395,246.10 × 12,153,221.62
  4. Step 4: Simplify right side
    19,123,903.28x = 320,787,275,567,740.69
  5. Step 5: Solve for x
    x = 320,787,275,567,740.69/19,123,903.28
  6. Step 6: Final answer
    x = 16,774,152.79

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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.