Home / 28,119,364.38-42,168,141.79-9,671,801.59

Finding the Fourth Proportional to 28,119,364.38, 42,168,141.79 and 9,671,801.59

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Solution

The fourth proportional to 28,119,364.38, 42,168,141.79 and 9,671,801.59 is: 14,503,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119,364.38 : 42,168,141.79 = 9,671,801.59 : x
  2. Step 2: Convert to fraction form
    28,119,364.38/42,168,141.79 = 9,671,801.59/x
  3. Step 3: Cross multiply
    28,119,364.38x = 42,168,141.79 × 9,671,801.59
  4. Step 4: Simplify right side
    28,119,364.38x = 407,841,900,811,867.44
  5. Step 5: Solve for x
    x = 407,841,900,811,867.44/28,119,364.38
  6. Step 6: Final answer
    x = 14,503,951.63

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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.