Home / 19,133,886.80-28,700,935.90-4,756,954.62

Finding the Fourth Proportional to 19,133,886.80, 28,700,935.90 and 4,756,954.62

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Solution

The fourth proportional to 19,133,886.80, 28,700,935.90 and 4,756,954.62 is: 7,135,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133,886.80 : 28,700,935.90 = 4,756,954.62 : x
  2. Step 2: Convert to fraction form
    19,133,886.80/28,700,935.90 = 4,756,954.62/x
  3. Step 3: Cross multiply
    19,133,886.80x = 28,700,935.90 × 4,756,954.62
  4. Step 4: Simplify right side
    19,133,886.80x = 136,529,049,627,828.86
  5. Step 5: Solve for x
    x = 136,529,049,627,828.86/19,133,886.80
  6. Step 6: Final answer
    x = 7,135,458.21

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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.