Home / 13,623,952.49-18,800,917.53-7,428,984

Finding the Fourth Proportional to 13,623,952.49, 18,800,917.53 and 7,428,984

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Solution

The fourth proportional to 13,623,952.49, 18,800,917.53 and 7,428,984 is: 10,251,923.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623,952.49 : 18,800,917.53 = 7,428,984 : x
  2. Step 2: Convert to fraction form
    13,623,952.49/18,800,917.53 = 7,428,984/x
  3. Step 3: Cross multiply
    13,623,952.49x = 18,800,917.53 × 7,428,984
  4. Step 4: Simplify right side
    13,623,952.49x = 139,671,715,515,689.53
  5. Step 5: Solve for x
    x = 139,671,715,515,689.53/13,623,952.49
  6. Step 6: Final answer
    x = 10,251,923.27

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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.