Home / 20,673,305.69-31,029,120.95-10,445,353.98

Finding the Fourth Proportional to 20,673,305.69, 31,029,120.95 and 10,445,353.98

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Solution

The fourth proportional to 20,673,305.69, 31,029,120.95 and 10,445,353.98 is: 15,677,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673,305.69 : 31,029,120.95 = 10,445,353.98 : x
  2. Step 2: Convert to fraction form
    20,673,305.69/31,029,120.95 = 10,445,353.98/x
  3. Step 3: Cross multiply
    20,673,305.69x = 31,029,120.95 × 10,445,353.98
  4. Step 4: Simplify right side
    20,673,305.69x = 324,110,151,855,838.25
  5. Step 5: Solve for x
    x = 324,110,151,855,838.25/20,673,305.69
  6. Step 6: Final answer
    x = 15,677,712.93

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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.