Home / 8,902,278.30-13,353,417.45-3,220,452.30

Finding the Fourth Proportional to 8,902,278.30, 13,353,417.45 and 3,220,452.30

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Solution

The fourth proportional to 8,902,278.30, 13,353,417.45 and 3,220,452.30 is: 4,830,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902,278.30 : 13,353,417.45 = 3,220,452.30 : x
  2. Step 2: Convert to fraction form
    8,902,278.30/13,353,417.45 = 3,220,452.30/x
  3. Step 3: Cross multiply
    8,902,278.30x = 13,353,417.45 × 3,220,452.30
  4. Step 4: Simplify right side
    8,902,278.30x = 43,004,043,939,712.63
  5. Step 5: Solve for x
    x = 43,004,043,939,712.63/8,902,278.30
  6. Step 6: Final answer
    x = 4,830,678.45

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Double scale
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Similar ratio
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1.5x scale

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.