Home / 28,673,710.35-42,939,706.73-19,036,913.55

Finding the Fourth Proportional to 28,673,710.35, 42,939,706.73 and 19,036,913.55

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Solution

The fourth proportional to 28,673,710.35, 42,939,706.73 and 19,036,913.55 is: 28,508,326.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673,710.35 : 42,939,706.73 = 19,036,913.55 : x
  2. Step 2: Convert to fraction form
    28,673,710.35/42,939,706.73 = 19,036,913.55/x
  3. Step 3: Cross multiply
    28,673,710.35x = 42,939,706.73 × 19,036,913.55
  4. Step 4: Simplify right side
    28,673,710.35x = 817,439,484,786,178.62
  5. Step 5: Solve for x
    x = 817,439,484,786,178.62/28,673,710.35
  6. Step 6: Final answer
    x = 28,508,326.09

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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.