Home / 20,346,937-30,520,416.44-7,565,780.95

Finding the Fourth Proportional to 20,346,937, 30,520,416.44 and 7,565,780.95

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Solution

The fourth proportional to 20,346,937, 30,520,416.44 and 7,565,780.95 is: 11,348,675.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346,937 : 30,520,416.44 = 7,565,780.95 : x
  2. Step 2: Convert to fraction form
    20,346,937/30,520,416.44 = 7,565,780.95/x
  3. Step 3: Cross multiply
    20,346,937x = 30,520,416.44 × 7,565,780.95
  4. Step 4: Simplify right side
    20,346,937x = 230,910,785,287,818.84
  5. Step 5: Solve for x
    x = 230,910,785,287,818.84/20,346,937
  6. Step 6: Final answer
    x = 11,348,675.49

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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.