Home / 13,990,516.07-19,306,952.15-8,111,292.80

Finding the Fourth Proportional to 13,990,516.07, 19,306,952.15 and 8,111,292.80

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Solution

The fourth proportional to 13,990,516.07, 19,306,952.15 and 8,111,292.80 is: 11,193,607.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990,516.07 : 19,306,952.15 = 8,111,292.80 : x
  2. Step 2: Convert to fraction form
    13,990,516.07/19,306,952.15 = 8,111,292.80/x
  3. Step 3: Cross multiply
    13,990,516.07x = 19,306,952.15 × 8,111,292.80
  4. Step 4: Simplify right side
    13,990,516.07x = 156,604,341,827,148.28
  5. Step 5: Solve for x
    x = 156,604,341,827,148.28/13,990,516.07
  6. Step 6: Final answer
    x = 11,193,607.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.