Home / 9,021,411.90-13,536,005.85-5,238,128.70

Finding the Fourth Proportional to 9,021,411.90, 13,536,005.85 and 5,238,128.70

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Solution

The fourth proportional to 9,021,411.90, 13,536,005.85 and 5,238,128.70 is: 7,859,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,411.90 : 13,536,005.85 = 5,238,128.70 : x
  2. Step 2: Convert to fraction form
    9,021,411.90/13,536,005.85 = 5,238,128.70/x
  3. Step 3: Cross multiply
    9,021,411.90x = 13,536,005.85 × 5,238,128.70
  4. Step 4: Simplify right side
    9,021,411.90x = 70,903,340,726,252.89
  5. Step 5: Solve for x
    x = 70,903,340,726,252.89/9,021,411.90
  6. Step 6: Final answer
    x = 7,859,450.55

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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.