Home / 28,875,882.96-39,848,707.08-15,998,826.96

Finding the Fourth Proportional to 28,875,882.96, 39,848,707.08 and 15,998,826.96

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Solution

The fourth proportional to 28,875,882.96, 39,848,707.08 and 15,998,826.96 is: 22,078,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875,882.96 : 39,848,707.08 = 15,998,826.96 : x
  2. Step 2: Convert to fraction form
    28,875,882.96/39,848,707.08 = 15,998,826.96/x
  3. Step 3: Cross multiply
    28,875,882.96x = 39,848,707.08 × 15,998,826.96
  4. Step 4: Simplify right side
    28,875,882.96x = 637,532,569,152,646.88
  5. Step 5: Solve for x
    x = 637,532,569,152,646.88/28,875,882.96
  6. Step 6: Final answer
    x = 22,078,374.89

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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.