Home / 11,831,279.80-17,746,919.70-7,792,328.20

Finding the Fourth Proportional to 11,831,279.80, 17,746,919.70 and 7,792,328.20

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Solution

The fourth proportional to 11,831,279.80, 17,746,919.70 and 7,792,328.20 is: 11,688,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831,279.80 : 17,746,919.70 = 7,792,328.20 : x
  2. Step 2: Convert to fraction form
    11,831,279.80/17,746,919.70 = 7,792,328.20/x
  3. Step 3: Cross multiply
    11,831,279.80x = 17,746,919.70 × 7,792,328.20
  4. Step 4: Simplify right side
    11,831,279.80x = 138,289,822,841,445.53
  5. Step 5: Solve for x
    x = 138,289,822,841,445.53/11,831,279.80
  6. Step 6: Final answer
    x = 11,688,492.30

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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.