Home / 14,507,941.55-20,020,959.21-7,981,430.94

Finding the Fourth Proportional to 14,507,941.55, 20,020,959.21 and 7,981,430.94

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Solution

The fourth proportional to 14,507,941.55, 20,020,959.21 and 7,981,430.94 is: 11,014,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507,941.55 : 20,020,959.21 = 7,981,430.94 : x
  2. Step 2: Convert to fraction form
    14,507,941.55/20,020,959.21 = 7,981,430.94/x
  3. Step 3: Cross multiply
    14,507,941.55x = 20,020,959.21 × 7,981,430.94
  4. Step 4: Simplify right side
    14,507,941.55x = 159,795,903,287,171.97
  5. Step 5: Solve for x
    x = 159,795,903,287,171.97/14,507,941.55
  6. Step 6: Final answer
    x = 11,014,374.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.