Home / 18,453,008.40-27,679,512.60-9,843,664.20

Finding the Fourth Proportional to 18,453,008.40, 27,679,512.60 and 9,843,664.20

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Solution

The fourth proportional to 18,453,008.40, 27,679,512.60 and 9,843,664.20 is: 14,765,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,008.40 : 27,679,512.60 = 9,843,664.20 : x
  2. Step 2: Convert to fraction form
    18,453,008.40/27,679,512.60 = 9,843,664.20/x
  3. Step 3: Cross multiply
    18,453,008.40x = 27,679,512.60 × 9,843,664.20
  4. Step 4: Simplify right side
    18,453,008.40x = 272,467,827,254,068.91
  5. Step 5: Solve for x
    x = 272,467,827,254,068.91/18,453,008.40
  6. Step 6: Final answer
    x = 14,765,496.30

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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.