Home / 13,671,284.70-18,865,999.56-7,559,504.22

Finding the Fourth Proportional to 13,671,284.70, 18,865,999.56 and 7,559,504.22

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Solution

The fourth proportional to 13,671,284.70, 18,865,999.56 and 7,559,504.22 is: 10,431,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671,284.70 : 18,865,999.56 = 7,559,504.22 : x
  2. Step 2: Convert to fraction form
    13,671,284.70/18,865,999.56 = 7,559,504.22/x
  3. Step 3: Cross multiply
    13,671,284.70x = 18,865,999.56 × 7,559,504.22
  4. Step 4: Simplify right side
    13,671,284.70x = 142,617,603,288,338.12
  5. Step 5: Solve for x
    x = 142,617,603,288,338.12/13,671,284.70
  6. Step 6: Final answer
    x = 10,431,909.39

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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.