Home / 11,889,751.52-16,407,953.52-6,457,282.40

Finding the Fourth Proportional to 11,889,751.52, 16,407,953.52 and 6,457,282.40

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Solution

The fourth proportional to 11,889,751.52, 16,407,953.52 and 6,457,282.40 is: 8,911,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889,751.52 : 16,407,953.52 = 6,457,282.40 : x
  2. Step 2: Convert to fraction form
    11,889,751.52/16,407,953.52 = 6,457,282.40/x
  3. Step 3: Cross multiply
    11,889,751.52x = 16,407,953.52 × 6,457,282.40
  4. Step 4: Simplify right side
    11,889,751.52x = 105,950,789,484,714.05
  5. Step 5: Solve for x
    x = 105,950,789,484,714.05/11,889,751.52
  6. Step 6: Final answer
    x = 8,911,102.08

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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.