Home / 8,972,792.21-12,382,390.13-4,898,411.21

Finding the Fourth Proportional to 8,972,792.21, 12,382,390.13 and 4,898,411.21

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Solution

The fourth proportional to 8,972,792.21, 12,382,390.13 and 4,898,411.21 is: 6,759,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,792.21 : 12,382,390.13 = 4,898,411.21 : x
  2. Step 2: Convert to fraction form
    8,972,792.21/12,382,390.13 = 4,898,411.21/x
  3. Step 3: Cross multiply
    8,972,792.21x = 12,382,390.13 × 4,898,411.21
  4. Step 4: Simplify right side
    8,972,792.21x = 60,654,038,594,893.30
  5. Step 5: Solve for x
    x = 60,654,038,594,893.30/8,972,792.21
  6. Step 6: Final answer
    x = 6,759,773.01

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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.