Home / 8,792,479.53-12,139,543.31-5,489,802.95

Finding the Fourth Proportional to 8,792,479.53, 12,139,543.31 and 5,489,802.95

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Solution

The fourth proportional to 8,792,479.53, 12,139,543.31 and 5,489,802.95 is: 7,579,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792,479.53 : 12,139,543.31 = 5,489,802.95 : x
  2. Step 2: Convert to fraction form
    8,792,479.53/12,139,543.31 = 5,489,802.95/x
  3. Step 3: Cross multiply
    8,792,479.53x = 12,139,543.31 × 5,489,802.95
  4. Step 4: Simplify right side
    8,792,479.53x = 66,643,700,586,744.04
  5. Step 5: Solve for x
    x = 66,643,700,586,744.04/8,792,479.53
  6. Step 6: Final answer
    x = 7,579,625.33

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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.