Home / 28,081,240.48-42,121,861.20-6,806,104.48

Finding the Fourth Proportional to 28,081,240.48, 42,121,861.20 and 6,806,104.48

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Solution

The fourth proportional to 28,081,240.48, 42,121,861.20 and 6,806,104.48 is: 10,209,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081,240.48 : 42,121,861.20 = 6,806,104.48 : x
  2. Step 2: Convert to fraction form
    28,081,240.48/42,121,861.20 = 6,806,104.48/x
  3. Step 3: Cross multiply
    28,081,240.48x = 42,121,861.20 × 6,806,104.48
  4. Step 4: Simplify right side
    28,081,240.48x = 286,685,788,219,258.19
  5. Step 5: Solve for x
    x = 286,685,788,219,258.19/28,081,240.48
  6. Step 6: Final answer
    x = 10,209,156.84

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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.