Home / 30,841,834.32-42,561,094.68-17,090,678.16

Finding the Fourth Proportional to 30,841,834.32, 42,561,094.68 and 17,090,678.16

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Solution

The fourth proportional to 30,841,834.32, 42,561,094.68 and 17,090,678.16 is: 23,584,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841,834.32 : 42,561,094.68 = 17,090,678.16 : x
  2. Step 2: Convert to fraction form
    30,841,834.32/42,561,094.68 = 17,090,678.16/x
  3. Step 3: Cross multiply
    30,841,834.32x = 42,561,094.68 × 17,090,678.16
  4. Step 4: Simplify right side
    30,841,834.32x = 727,397,971,313,168.25
  5. Step 5: Solve for x
    x = 727,397,971,313,168.25/30,841,834.32
  6. Step 6: Final answer
    x = 23,584,783.05

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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.