Home / 12,479,095.02-18,706,242.24-8,684,606.28

Finding the Fourth Proportional to 12,479,095.02, 18,706,242.24 and 8,684,606.28

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Solution

The fourth proportional to 12,479,095.02, 18,706,242.24 and 8,684,606.28 is: 13,018,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,479,095.02 : 18,706,242.24 = 8,684,606.28 : x
  2. Step 2: Convert to fraction form
    12,479,095.02/18,706,242.24 = 8,684,606.28/x
  3. Step 3: Cross multiply
    12,479,095.02x = 18,706,242.24 × 8,684,606.28
  4. Step 4: Simplify right side
    12,479,095.02x = 162,456,348,832,705.25
  5. Step 5: Solve for x
    x = 162,456,348,832,705.25/12,479,095.02
  6. Step 6: Final answer
    x = 13,018,279.66

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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.