Home / 15,985,556-22,060,592.16-8,742,212

Finding the Fourth Proportional to 15,985,556, 22,060,592.16 and 8,742,212

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Solution

The fourth proportional to 15,985,556, 22,060,592.16 and 8,742,212 is: 12,064,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985,556 : 22,060,592.16 = 8,742,212 : x
  2. Step 2: Convert to fraction form
    15,985,556/22,060,592.16 = 8,742,212/x
  3. Step 3: Cross multiply
    15,985,556x = 22,060,592.16 × 8,742,212
  4. Step 4: Simplify right side
    15,985,556x = 192,858,373,508,257.91
  5. Step 5: Solve for x
    x = 192,858,373,508,257.91/15,985,556
  6. Step 6: Final answer
    x = 12,064,539.61

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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.