Home / 42,121,588.32-63,182,382.64-10,208,884.32

Finding the Fourth Proportional to 42,121,588.32, 63,182,382.64 and 10,208,884.32

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Solution

The fourth proportional to 42,121,588.32, 63,182,382.64 and 10,208,884.32 is: 15,313,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121,588.32 : 63,182,382.64 = 10,208,884.32 : x
  2. Step 2: Convert to fraction form
    42,121,588.32/63,182,382.64 = 10,208,884.32/x
  3. Step 3: Cross multiply
    42,121,588.32x = 63,182,382.64 × 10,208,884.32
  4. Step 4: Simplify right side
    42,121,588.32x = 645,021,635,433,736.25
  5. Step 5: Solve for x
    x = 645,021,635,433,736.25/42,121,588.32
  6. Step 6: Final answer
    x = 15,313,326.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.