Home / 13,328,260.86-19,988,429.67-5,651,792.40

Finding the Fourth Proportional to 13,328,260.86, 19,988,429.67 and 5,651,792.40

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Solution

The fourth proportional to 13,328,260.86, 19,988,429.67 and 5,651,792.40 is: 8,476,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328,260.86 : 19,988,429.67 = 5,651,792.40 : x
  2. Step 2: Convert to fraction form
    13,328,260.86/19,988,429.67 = 5,651,792.40/x
  3. Step 3: Cross multiply
    13,328,260.86x = 19,988,429.67 × 5,651,792.40
  4. Step 4: Simplify right side
    13,328,260.86x = 112,970,454,896,840.53
  5. Step 5: Solve for x
    x = 112,970,454,896,840.53/13,328,260.86
  6. Step 6: Final answer
    x = 8,476,008.69

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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.