Home / 9,868,380.37-13,614,239.35-7,689,140.17

Finding the Fourth Proportional to 9,868,380.37, 13,614,239.35 and 7,689,140.17

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Solution

The fourth proportional to 9,868,380.37, 13,614,239.35 and 7,689,140.17 is: 10,607,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868,380.37 : 13,614,239.35 = 7,689,140.17 : x
  2. Step 2: Convert to fraction form
    9,868,380.37/13,614,239.35 = 7,689,140.17/x
  3. Step 3: Cross multiply
    9,868,380.37x = 13,614,239.35 × 7,689,140.17
  4. Step 4: Simplify right side
    9,868,380.37x = 104,681,794,670,079.69
  5. Step 5: Solve for x
    x = 104,681,794,670,079.69/9,868,380.37
  6. Step 6: Final answer
    x = 10,607,798.92

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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.