Home / 28,955,018.30-43,432,492.60-7,389,622.30

Finding the Fourth Proportional to 28,955,018.30, 43,432,492.60 and 7,389,622.30

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Solution

The fourth proportional to 28,955,018.30, 43,432,492.60 and 7,389,622.30 is: 11,084,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955,018.30 : 43,432,492.60 = 7,389,622.30 : x
  2. Step 2: Convert to fraction form
    28,955,018.30/43,432,492.60 = 7,389,622.30/x
  3. Step 3: Cross multiply
    28,955,018.30x = 43,432,492.60 × 7,389,622.30
  4. Step 4: Simplify right side
    28,955,018.30x = 320,949,715,861,545
  5. Step 5: Solve for x
    x = 320,949,715,861,545/28,955,018.30
  6. Step 6: Final answer
    x = 11,084,424.56

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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.