Home / 30,416,940-45,627,509.28-8,851,720.32

Finding the Fourth Proportional to 30,416,940, 45,627,509.28 and 8,851,720.32

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Solution

The fourth proportional to 30,416,940, 45,627,509.28 and 8,851,720.32 is: 13,278,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416,940 : 45,627,509.28 = 8,851,720.32 : x
  2. Step 2: Convert to fraction form
    30,416,940/45,627,509.28 = 8,851,720.32/x
  3. Step 3: Cross multiply
    30,416,940x = 45,627,509.28 × 8,851,720.32
  4. Step 4: Simplify right side
    30,416,940x = 403,881,951,044,764.62
  5. Step 5: Solve for x
    x = 403,881,951,044,764.62/30,416,940
  6. Step 6: Final answer
    x = 13,278,191.40

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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.