Home / 18,675,552.60-28,018,577.70-7,898,016.60

Finding the Fourth Proportional to 18,675,552.60, 28,018,577.70 and 7,898,016.60

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Solution

The fourth proportional to 18,675,552.60, 28,018,577.70 and 7,898,016.60 is: 11,849,244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675,552.60 : 28,018,577.70 = 7,898,016.60 : x
  2. Step 2: Convert to fraction form
    18,675,552.60/28,018,577.70 = 7,898,016.60/x
  3. Step 3: Cross multiply
    18,675,552.60x = 28,018,577.70 × 7,898,016.60
  4. Step 4: Simplify right side
    18,675,552.60x = 221,291,191,782,989.81
  5. Step 5: Solve for x
    x = 221,291,191,782,989.81/18,675,552.60
  6. Step 6: Final answer
    x = 11,849,244.65

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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.