Home / 18,875,289.65-28,247,878.47-11,583,909.41

Finding the Fourth Proportional to 18,875,289.65, 28,247,878.47 and 11,583,909.41

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Solution

The fourth proportional to 18,875,289.65, 28,247,878.47 and 11,583,909.41 is: 17,335,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,289.65 : 28,247,878.47 = 11,583,909.41 : x
  2. Step 2: Convert to fraction form
    18,875,289.65/28,247,878.47 = 11,583,909.41/x
  3. Step 3: Cross multiply
    18,875,289.65x = 28,247,878.47 × 11,583,909.41
  4. Step 4: Simplify right side
    18,875,289.65x = 327,220,865,221,169.38
  5. Step 5: Solve for x
    x = 327,220,865,221,169.38/18,875,289.65
  6. Step 6: Final answer
    x = 17,335,938.75

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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.