Home / 9,800,997.40-13,525,702.99-5,390,909.17

Finding the Fourth Proportional to 9,800,997.40, 13,525,702.99 and 5,390,909.17

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Solution

The fourth proportional to 9,800,997.40, 13,525,702.99 and 5,390,909.17 is: 7,439,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800,997.40 : 13,525,702.99 = 5,390,909.17 : x
  2. Step 2: Convert to fraction form
    9,800,997.40/13,525,702.99 = 5,390,909.17/x
  3. Step 3: Cross multiply
    9,800,997.40x = 13,525,702.99 × 5,390,909.17
  4. Step 4: Simplify right side
    9,800,997.40x = 72,915,836,232,195.89
  5. Step 5: Solve for x
    x = 72,915,836,232,195.89/9,800,997.40
  6. Step 6: Final answer
    x = 7,439,634.28

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1.5x scale

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.