Home / 10,013,981.90-15,021,023.88-4,255,231.82

Finding the Fourth Proportional to 10,013,981.90, 15,021,023.88 and 4,255,231.82

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Solution

The fourth proportional to 10,013,981.90, 15,021,023.88 and 4,255,231.82 is: 6,382,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013,981.90 : 15,021,023.88 = 4,255,231.82 : x
  2. Step 2: Convert to fraction form
    10,013,981.90/15,021,023.88 = 4,255,231.82/x
  3. Step 3: Cross multiply
    10,013,981.90x = 15,021,023.88 × 4,255,231.82
  4. Step 4: Simplify right side
    10,013,981.90x = 63,917,938,783,155.87
  5. Step 5: Solve for x
    x = 63,917,938,783,155.87/10,013,981.90
  6. Step 6: Final answer
    x = 6,382,869.41

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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.