Home / 30,821,808.96-42,534,408.96-18,596,304

Finding the Fourth Proportional to 30,821,808.96, 42,534,408.96 and 18,596,304

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Solution

The fourth proportional to 30,821,808.96, 42,534,408.96 and 18,596,304 is: 25,663,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821,808.96 : 42,534,408.96 = 18,596,304 : x
  2. Step 2: Convert to fraction form
    30,821,808.96/42,534,408.96 = 18,596,304/x
  3. Step 3: Cross multiply
    30,821,808.96x = 42,534,408.96 × 18,596,304
  4. Step 4: Simplify right side
    30,821,808.96x = 790,982,799,480,483.88
  5. Step 5: Solve for x
    x = 790,982,799,480,483.88/30,821,808.96
  6. Step 6: Final answer
    x = 25,663,088.12

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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.