Home / 10,789,466.40-16,188,865.20-5,470,682.40

Finding the Fourth Proportional to 10,789,466.40, 16,188,865.20 and 5,470,682.40

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Solution

The fourth proportional to 10,789,466.40, 16,188,865.20 and 5,470,682.40 is: 8,208,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789,466.40 : 16,188,865.20 = 5,470,682.40 : x
  2. Step 2: Convert to fraction form
    10,789,466.40/16,188,865.20 = 5,470,682.40/x
  3. Step 3: Cross multiply
    10,789,466.40x = 16,188,865.20 × 5,470,682.40
  4. Step 4: Simplify right side
    10,789,466.40x = 88,564,139,925,612.48
  5. Step 5: Solve for x
    x = 88,564,139,925,612.48/10,789,466.40
  6. Step 6: Final answer
    x = 8,208,389.24

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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.