Home / 21,781,223.70-30,035,809.17-14,436,506.58

Finding the Fourth Proportional to 21,781,223.70, 30,035,809.17 and 14,436,506.58

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Solution

The fourth proportional to 21,781,223.70, 30,035,809.17 and 14,436,506.58 is: 19,907,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,223.70 : 30,035,809.17 = 14,436,506.58 : x
  2. Step 2: Convert to fraction form
    21,781,223.70/30,035,809.17 = 14,436,506.58/x
  3. Step 3: Cross multiply
    21,781,223.70x = 30,035,809.17 × 14,436,506.58
  4. Step 4: Simplify right side
    21,781,223.70x = 433,612,156,718,329.38
  5. Step 5: Solve for x
    x = 433,612,156,718,329.38/21,781,223.70
  6. Step 6: Final answer
    x = 19,907,612.29

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1.5x scale

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.