Home / 28,970,984.76-39,983,434.86-17,374,927.80

Finding the Fourth Proportional to 28,970,984.76, 39,983,434.86 and 17,374,927.80

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Solution

The fourth proportional to 28,970,984.76, 39,983,434.86 and 17,374,927.80 is: 23,979,484.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,984.76 : 39,983,434.86 = 17,374,927.80 : x
  2. Step 2: Convert to fraction form
    28,970,984.76/39,983,434.86 = 17,374,927.80/x
  3. Step 3: Cross multiply
    28,970,984.76x = 39,983,434.86 × 17,374,927.80
  4. Step 4: Simplify right side
    28,970,984.76x = 694,709,293,888,503.12
  5. Step 5: Solve for x
    x = 694,709,293,888,503.12/28,970,984.76
  6. Step 6: Final answer
    x = 23,979,484.98

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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.