Home / 15,372,037.97-21,213,413.38-8,402,743.10

Finding the Fourth Proportional to 15,372,037.97, 21,213,413.38 and 8,402,743.10

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Solution

The fourth proportional to 15,372,037.97, 21,213,413.38 and 8,402,743.10 is: 11,595,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372,037.97 : 21,213,413.38 = 8,402,743.10 : x
  2. Step 2: Convert to fraction form
    15,372,037.97/21,213,413.38 = 8,402,743.10/x
  3. Step 3: Cross multiply
    15,372,037.97x = 21,213,413.38 × 8,402,743.10
  4. Step 4: Simplify right side
    15,372,037.97x = 178,250,862,868,457.59
  5. Step 5: Solve for x
    x = 178,250,862,868,457.59/15,372,037.97
  6. Step 6: Final answer
    x = 11,595,786.01

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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.