Home / 19,281,983.29-28,922,639.94-7,767,156.18

Finding the Fourth Proportional to 19,281,983.29, 28,922,639.94 and 7,767,156.18

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Solution

The fourth proportional to 19,281,983.29, 28,922,639.94 and 7,767,156.18 is: 11,650,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281,983.29 : 28,922,639.94 = 7,767,156.18 : x
  2. Step 2: Convert to fraction form
    19,281,983.29/28,922,639.94 = 7,767,156.18/x
  3. Step 3: Cross multiply
    19,281,983.29x = 28,922,639.94 × 7,767,156.18
  4. Step 4: Simplify right side
    19,281,983.29x = 224,646,661,513,050.03
  5. Step 5: Solve for x
    x = 224,646,661,513,050.03/19,281,983.29
  6. Step 6: Final answer
    x = 11,650,599.33

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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.