Home / 13,911,698.81-19,198,452.03-7,716,543.71

Finding the Fourth Proportional to 13,911,698.81, 19,198,452.03 and 7,716,543.71

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Solution

The fourth proportional to 13,911,698.81, 19,198,452.03 and 7,716,543.71 is: 10,649,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911,698.81 : 19,198,452.03 = 7,716,543.71 : x
  2. Step 2: Convert to fraction form
    13,911,698.81/19,198,452.03 = 7,716,543.71/x
  3. Step 3: Cross multiply
    13,911,698.81x = 19,198,452.03 × 7,716,543.71
  4. Step 4: Simplify right side
    13,911,698.81x = 148,145,694,200,898.12
  5. Step 5: Solve for x
    x = 148,145,694,200,898.12/13,911,698.81
  6. Step 6: Final answer
    x = 10,649,000.98

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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.