Home / 19,171,987.65-28,757,981.48-14,888,966.85

Finding the Fourth Proportional to 19,171,987.65, 28,757,981.48 and 14,888,966.85

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Solution

The fourth proportional to 19,171,987.65, 28,757,981.48 and 14,888,966.85 is: 22,333,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171,987.65 : 28,757,981.48 = 14,888,966.85 : x
  2. Step 2: Convert to fraction form
    19,171,987.65/28,757,981.48 = 14,888,966.85/x
  3. Step 3: Cross multiply
    19,171,987.65x = 28,757,981.48 × 14,888,966.85
  4. Step 4: Simplify right side
    19,171,987.65x = 428,176,632,854,189.12
  5. Step 5: Solve for x
    x = 428,176,632,854,189.12/19,171,987.65
  6. Step 6: Final answer
    x = 22,333,450.28

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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.