Home / 10,279,439.07-14,185,642.60-5,632,485.68

Finding the Fourth Proportional to 10,279,439.07, 14,185,642.60 and 5,632,485.68

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Solution

The fourth proportional to 10,279,439.07, 14,185,642.60 and 5,632,485.68 is: 7,772,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279,439.07 : 14,185,642.60 = 5,632,485.68 : x
  2. Step 2: Convert to fraction form
    10,279,439.07/14,185,642.60 = 5,632,485.68/x
  3. Step 3: Cross multiply
    10,279,439.07x = 14,185,642.60 × 5,632,485.68
  4. Step 4: Simplify right side
    10,279,439.07x = 79,900,428,774,284.70
  5. Step 5: Solve for x
    x = 79,900,428,774,284.70/10,279,439.07
  6. Step 6: Final answer
    x = 7,772,839.37

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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.