Home / 9,840,553.80-14,760,830.70-8,720,809.80

Finding the Fourth Proportional to 9,840,553.80, 14,760,830.70 and 8,720,809.80

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Solution

The fourth proportional to 9,840,553.80, 14,760,830.70 and 8,720,809.80 is: 13,081,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840,553.80 : 14,760,830.70 = 8,720,809.80 : x
  2. Step 2: Convert to fraction form
    9,840,553.80/14,760,830.70 = 8,720,809.80/x
  3. Step 3: Cross multiply
    9,840,553.80x = 14,760,830.70 × 8,720,809.80
  4. Step 4: Simplify right side
    9,840,553.80x = 128,726,397,024,700.86
  5. Step 5: Solve for x
    x = 128,726,397,024,700.86/9,840,553.80
  6. Step 6: Final answer
    x = 13,081,214.70

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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.