Home / 10,999,492.86-16,498,985.76-6,479,216.58

Finding the Fourth Proportional to 10,999,492.86, 16,498,985.76 and 6,479,216.58

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Solution

The fourth proportional to 10,999,492.86, 16,498,985.76 and 6,479,216.58 is: 9,718,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999,492.86 : 16,498,985.76 = 6,479,216.58 : x
  2. Step 2: Convert to fraction form
    10,999,492.86/16,498,985.76 = 6,479,216.58/x
  3. Step 3: Cross multiply
    10,999,492.86x = 16,498,985.76 × 6,479,216.58
  4. Step 4: Simplify right side
    10,999,492.86x = 106,900,502,089,375.91
  5. Step 5: Solve for x
    x = 106,900,502,089,375.91/10,999,492.86
  6. Step 6: Final answer
    x = 9,718,675.53

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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.