Home / 20,934,078.60-31,401,117.90-16,151,109.60

Finding the Fourth Proportional to 20,934,078.60, 31,401,117.90 and 16,151,109.60

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Solution

The fourth proportional to 20,934,078.60, 31,401,117.90 and 16,151,109.60 is: 24,226,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934,078.60 : 31,401,117.90 = 16,151,109.60 : x
  2. Step 2: Convert to fraction form
    20,934,078.60/31,401,117.90 = 16,151,109.60/x
  3. Step 3: Cross multiply
    20,934,078.60x = 31,401,117.90 × 16,151,109.60
  4. Step 4: Simplify right side
    20,934,078.60x = 507,162,896,765,421.81
  5. Step 5: Solve for x
    x = 507,162,896,765,421.81/20,934,078.60
  6. Step 6: Final answer
    x = 24,226,664.40

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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.