Home / 21,513,364.20-32,270,046.30-16,642,477.80

Finding the Fourth Proportional to 21,513,364.20, 32,270,046.30 and 16,642,477.80

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Solution

The fourth proportional to 21,513,364.20, 32,270,046.30 and 16,642,477.80 is: 24,963,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513,364.20 : 32,270,046.30 = 16,642,477.80 : x
  2. Step 2: Convert to fraction form
    21,513,364.20/32,270,046.30 = 16,642,477.80/x
  3. Step 3: Cross multiply
    21,513,364.20x = 32,270,046.30 × 16,642,477.80
  4. Step 4: Simplify right side
    21,513,364.20x = 537,053,529,152,722.19
  5. Step 5: Solve for x
    x = 537,053,529,152,722.19/21,513,364.20
  6. Step 6: Final answer
    x = 24,963,716.70

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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.