Home / 10,425,662.06-14,378,883.63-7,338,405.38

Finding the Fourth Proportional to 10,425,662.06, 14,378,883.63 and 7,338,405.38

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Solution

The fourth proportional to 10,425,662.06, 14,378,883.63 and 7,338,405.38 is: 10,120,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425,662.06 : 14,378,883.63 = 7,338,405.38 : x
  2. Step 2: Convert to fraction form
    10,425,662.06/14,378,883.63 = 7,338,405.38/x
  3. Step 3: Cross multiply
    10,425,662.06x = 14,378,883.63 × 7,338,405.38
  4. Step 4: Simplify right side
    10,425,662.06x = 105,518,076,988,785.94
  5. Step 5: Solve for x
    x = 105,518,076,988,785.94/10,425,662.06
  6. Step 6: Final answer
    x = 10,120,995.33

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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.