Home / 32,860,139.20-45,331,905.36-21,261,483.52

Finding the Fourth Proportional to 32,860,139.20, 45,331,905.36 and 21,261,483.52

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Solution

The fourth proportional to 32,860,139.20, 45,331,905.36 and 21,261,483.52 is: 29,331,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,860,139.20 : 45,331,905.36 = 21,261,483.52 : x
  2. Step 2: Convert to fraction form
    32,860,139.20/45,331,905.36 = 21,261,483.52/x
  3. Step 3: Cross multiply
    32,860,139.20x = 45,331,905.36 × 21,261,483.52
  4. Step 4: Simplify right side
    32,860,139.20x = 963,823,558,741,839.62
  5. Step 5: Solve for x
    x = 963,823,558,741,839.62/32,860,139.20
  6. Step 6: Final answer
    x = 29,331,085.69

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1.5x scale

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.