Home / 18,923,667.10-26,114,671.10-10,221,839.79

Finding the Fourth Proportional to 18,923,667.10, 26,114,671.10 and 10,221,839.79

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Solution

The fourth proportional to 18,923,667.10, 26,114,671.10 and 10,221,839.79 is: 14,106,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923,667.10 : 26,114,671.10 = 10,221,839.79 : x
  2. Step 2: Convert to fraction form
    18,923,667.10/26,114,671.10 = 10,221,839.79/x
  3. Step 3: Cross multiply
    18,923,667.10x = 26,114,671.10 × 10,221,839.79
  4. Step 4: Simplify right side
    18,923,667.10x = 266,939,984,152,743.06
  5. Step 5: Solve for x
    x = 266,939,984,152,743.06/18,923,667.10
  6. Step 6: Final answer
    x = 14,106,144.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.