Home / 20,702,977.79-31,060,227.80-9,032,370.43

Finding the Fourth Proportional to 20,702,977.79, 31,060,227.80 and 9,032,370.43

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Solution

The fourth proportional to 20,702,977.79, 31,060,227.80 and 9,032,370.43 is: 13,551,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,977.79 : 31,060,227.80 = 9,032,370.43 : x
  2. Step 2: Convert to fraction form
    20,702,977.79/31,060,227.80 = 9,032,370.43/x
  3. Step 3: Cross multiply
    20,702,977.79x = 31,060,227.80 × 9,032,370.43
  4. Step 4: Simplify right side
    20,702,977.79x = 280,547,483,129,783.94
  5. Step 5: Solve for x
    x = 280,547,483,129,783.94/20,702,977.79
  6. Step 6: Final answer
    x = 13,551,069.13

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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.