Home / 19,378,312.40-29,060,470.20-9,790,504.40

Finding the Fourth Proportional to 19,378,312.40, 29,060,470.20 and 9,790,504.40

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Solution

The fourth proportional to 19,378,312.40, 29,060,470.20 and 9,790,504.40 is: 14,682,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378,312.40 : 29,060,470.20 = 9,790,504.40 : x
  2. Step 2: Convert to fraction form
    19,378,312.40/29,060,470.20 = 9,790,504.40/x
  3. Step 3: Cross multiply
    19,378,312.40x = 29,060,470.20 × 9,790,504.40
  4. Step 4: Simplify right side
    19,378,312.40x = 284,516,661,359,168.88
  5. Step 5: Solve for x
    x = 284,516,661,359,168.88/19,378,312.40
  6. Step 6: Final answer
    x = 14,682,220.80

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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.