Home / 13,331,905.38-19,998,894.93-4,357,364.58

Finding the Fourth Proportional to 13,331,905.38, 19,998,894.93 and 4,357,364.58

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Solution

The fourth proportional to 13,331,905.38, 19,998,894.93 and 4,357,364.58 is: 6,536,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,905.38 : 19,998,894.93 = 4,357,364.58 : x
  2. Step 2: Convert to fraction form
    13,331,905.38/19,998,894.93 = 4,357,364.58/x
  3. Step 3: Cross multiply
    13,331,905.38x = 19,998,894.93 × 4,357,364.58
  4. Step 4: Simplify right side
    13,331,905.38x = 87,142,476,407,123.58
  5. Step 5: Solve for x
    x = 87,142,476,407,123.58/13,331,905.38
  6. Step 6: Final answer
    x = 6,536,385.75

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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.