Home / 15,822,830.92-21,835,936.02-8,948,341

Finding the Fourth Proportional to 15,822,830.92, 21,835,936.02 and 8,948,341

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Solution

The fourth proportional to 15,822,830.92, 21,835,936.02 and 8,948,341 is: 12,348,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822,830.92 : 21,835,936.02 = 8,948,341 : x
  2. Step 2: Convert to fraction form
    15,822,830.92/21,835,936.02 = 8,948,341/x
  3. Step 3: Cross multiply
    15,822,830.92x = 21,835,936.02 × 8,948,341
  4. Step 4: Simplify right side
    15,822,830.92x = 195,395,401,561,142.81
  5. Step 5: Solve for x
    x = 195,395,401,561,142.81/15,822,830.92
  6. Step 6: Final answer
    x = 12,348,953.39

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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.