Home / 8,688,697.92-13,016,093.76-5,687,784

Finding the Fourth Proportional to 8,688,697.92, 13,016,093.76 and 5,687,784

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Solution

The fourth proportional to 8,688,697.92, 13,016,093.76 and 5,687,784 is: 8,520,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,697.92 : 13,016,093.76 = 5,687,784 : x
  2. Step 2: Convert to fraction form
    8,688,697.92/13,016,093.76 = 5,687,784/x
  3. Step 3: Cross multiply
    8,688,697.92x = 13,016,093.76 × 5,687,784
  4. Step 4: Simplify right side
    8,688,697.92x = 74,032,729,830,627.84
  5. Step 5: Solve for x
    x = 74,032,729,830,627.84/8,688,697.92
  6. Step 6: Final answer
    x = 8,520,578.17

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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.