Home / 20,142,912.30-30,214,368.45-17,403,038.70

Finding the Fourth Proportional to 20,142,912.30, 30,214,368.45 and 17,403,038.70

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Solution

The fourth proportional to 20,142,912.30, 30,214,368.45 and 17,403,038.70 is: 26,104,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,912.30 : 30,214,368.45 = 17,403,038.70 : x
  2. Step 2: Convert to fraction form
    20,142,912.30/30,214,368.45 = 17,403,038.70/x
  3. Step 3: Cross multiply
    20,142,912.30x = 30,214,368.45 × 17,403,038.70
  4. Step 4: Simplify right side
    20,142,912.30x = 525,821,823,431,409
  5. Step 5: Solve for x
    x = 525,821,823,431,409/20,142,912.30
  6. Step 6: Final answer
    x = 26,104,558.05

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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.