Home / 15,990,407.90-22,066,762.75-8,648,240.83

Finding the Fourth Proportional to 15,990,407.90, 22,066,762.75 and 8,648,240.83

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Solution

The fourth proportional to 15,990,407.90, 22,066,762.75 and 8,648,240.83 is: 11,934,572.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,407.90 : 22,066,762.75 = 8,648,240.83 : x
  2. Step 2: Convert to fraction form
    15,990,407.90/22,066,762.75 = 8,648,240.83/x
  3. Step 3: Cross multiply
    15,990,407.90x = 22,066,762.75 × 8,648,240.83
  4. Step 4: Simplify right side
    15,990,407.90x = 190,838,678,600,473.09
  5. Step 5: Solve for x
    x = 190,838,678,600,473.09/15,990,407.90
  6. Step 6: Final answer
    x = 11,934,572.26

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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.