Home / 9,720,612.80-14,573,920.80-5,462,086.40

Finding the Fourth Proportional to 9,720,612.80, 14,573,920.80 and 5,462,086.40

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Solution

The fourth proportional to 9,720,612.80, 14,573,920.80 and 5,462,086.40 is: 8,189,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,612.80 : 14,573,920.80 = 5,462,086.40 : x
  2. Step 2: Convert to fraction form
    9,720,612.80/14,573,920.80 = 5,462,086.40/x
  3. Step 3: Cross multiply
    9,720,612.80x = 14,573,920.80 × 5,462,086.40
  4. Step 4: Simplify right side
    9,720,612.80x = 79,604,014,596,357.12
  5. Step 5: Solve for x
    x = 79,604,014,596,357.12/9,720,612.80
  6. Step 6: Final answer
    x = 8,189,197.15

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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.