Home / 47,990,596.60-71,985,894.90-21,064,252.60

Finding the Fourth Proportional to 47,990,596.60, 71,985,894.90 and 21,064,252.60

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Solution

The fourth proportional to 47,990,596.60, 71,985,894.90 and 21,064,252.60 is: 31,596,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990,596.60 : 71,985,894.90 = 21,064,252.60 : x
  2. Step 2: Convert to fraction form
    47,990,596.60/71,985,894.90 = 21,064,252.60/x
  3. Step 3: Cross multiply
    47,990,596.60x = 71,985,894.90 × 21,064,252.60
  4. Step 4: Simplify right side
    47,990,596.60x = 1,516,329,073,810,652
  5. Step 5: Solve for x
    x = 1,516,329,073,810,652/47,990,596.60
  6. Step 6: Final answer
    x = 31,596,378.90

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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.