Home / 19,133,885.80-28,700,934.41-4,756,953.61

Finding the Fourth Proportional to 19,133,885.80, 28,700,934.41 and 4,756,953.61

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Solution

The fourth proportional to 19,133,885.80, 28,700,934.41 and 4,756,953.61 is: 7,135,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133,885.80 : 28,700,934.41 = 4,756,953.61 : x
  2. Step 2: Convert to fraction form
    19,133,885.80/28,700,934.41 = 4,756,953.61/x
  3. Step 3: Cross multiply
    19,133,885.80x = 28,700,934.41 × 4,756,953.61
  4. Step 4: Simplify right side
    19,133,885.80x = 136,529,013,528,237.97
  5. Step 5: Solve for x
    x = 136,529,013,528,237.97/19,133,885.80
  6. Step 6: Final answer
    x = 7,135,456.69

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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.