Home / 31,516,507.39-43,493,445.69-17,765,467.87

Finding the Fourth Proportional to 31,516,507.39, 43,493,445.69 and 17,765,467.87

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Solution

The fourth proportional to 31,516,507.39, 43,493,445.69 and 17,765,467.87 is: 24,516,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516,507.39 : 43,493,445.69 = 17,765,467.87 : x
  2. Step 2: Convert to fraction form
    31,516,507.39/43,493,445.69 = 17,765,467.87/x
  3. Step 3: Cross multiply
    31,516,507.39x = 43,493,445.69 × 17,765,467.87
  4. Step 4: Simplify right side
    31,516,507.39x = 772,681,411,961,285
  5. Step 5: Solve for x
    x = 772,681,411,961,285/31,516,507.39
  6. Step 6: Final answer
    x = 24,516,720.79

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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.