Home / 28,857,816.76-43,288,824.68-9,688,411.84

Finding the Fourth Proportional to 28,857,816.76, 43,288,824.68 and 9,688,411.84

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Solution

The fourth proportional to 28,857,816.76, 43,288,824.68 and 9,688,411.84 is: 14,533,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857,816.76 : 43,288,824.68 = 9,688,411.84 : x
  2. Step 2: Convert to fraction form
    28,857,816.76/43,288,824.68 = 9,688,411.84/x
  3. Step 3: Cross multiply
    28,857,816.76x = 43,288,824.68 × 9,688,411.84
  4. Step 4: Simplify right side
    28,857,816.76x = 419,399,961,569,396.19
  5. Step 5: Solve for x
    x = 419,399,961,569,396.19/28,857,816.76
  6. Step 6: Final answer
    x = 14,533,322.64

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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.