Home / 30,995,388.96-42,755,824.40-19,372,781.28

Finding the Fourth Proportional to 30,995,388.96, 42,755,824.40 and 19,372,781.28

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Solution

The fourth proportional to 30,995,388.96, 42,755,824.40 and 19,372,781.28 is: 26,723,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995,388.96 : 42,755,824.40 = 19,372,781.28 : x
  2. Step 2: Convert to fraction form
    30,995,388.96/42,755,824.40 = 19,372,781.28/x
  3. Step 3: Cross multiply
    30,995,388.96x = 42,755,824.40 × 19,372,781.28
  4. Step 4: Simplify right side
    30,995,388.96x = 828,299,234,547,287.25
  5. Step 5: Solve for x
    x = 828,299,234,547,287.25/30,995,388.96
  6. Step 6: Final answer
    x = 26,723,305.06

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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.