Home / 7,026,328.20-10,539,492.30-5,432,005.20

Finding the Fourth Proportional to 7,026,328.20, 10,539,492.30 and 5,432,005.20

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Solution

The fourth proportional to 7,026,328.20, 10,539,492.30 and 5,432,005.20 is: 8,148,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026,328.20 : 10,539,492.30 = 5,432,005.20 : x
  2. Step 2: Convert to fraction form
    7,026,328.20/10,539,492.30 = 5,432,005.20/x
  3. Step 3: Cross multiply
    7,026,328.20x = 10,539,492.30 × 5,432,005.20
  4. Step 4: Simplify right side
    7,026,328.20x = 57,250,576,978,959.97
  5. Step 5: Solve for x
    x = 57,250,576,978,959.97/7,026,328.20
  6. Step 6: Final answer
    x = 8,148,007.80

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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.