Home / 11,889,749.52-16,407,950.76-6,457,280.40

Finding the Fourth Proportional to 11,889,749.52, 16,407,950.76 and 6,457,280.40

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Solution

The fourth proportional to 11,889,749.52, 16,407,950.76 and 6,457,280.40 is: 8,911,099.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889,749.52 : 16,407,950.76 = 6,457,280.40 : x
  2. Step 2: Convert to fraction form
    11,889,749.52/16,407,950.76 = 6,457,280.40/x
  3. Step 3: Cross multiply
    11,889,749.52x = 16,407,950.76 × 6,457,280.40
  4. Step 4: Simplify right side
    11,889,749.52x = 105,950,738,846,713.11
  5. Step 5: Solve for x
    x = 105,950,738,846,713.11/11,889,749.52
  6. Step 6: Final answer
    x = 8,911,099.32

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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.