Home / 20,837,763.33-28,766,109.45-14,648,115.93

Finding the Fourth Proportional to 20,837,763.33, 28,766,109.45 and 14,648,115.93

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Solution

The fourth proportional to 20,837,763.33, 28,766,109.45 and 14,648,115.93 is: 20,221,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,763.33 : 28,766,109.45 = 14,648,115.93 : x
  2. Step 2: Convert to fraction form
    20,837,763.33/28,766,109.45 = 14,648,115.93/x
  3. Step 3: Cross multiply
    20,837,763.33x = 28,766,109.45 × 14,648,115.93
  4. Step 4: Simplify right side
    20,837,763.33x = 421,369,306,078,668.50
  5. Step 5: Solve for x
    x = 421,369,306,078,668.50/20,837,763.33
  6. Step 6: Final answer
    x = 20,221,426.81

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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.