Home / 11,878,705.48-16,392,624.06-6,446,197.48

Finding the Fourth Proportional to 11,878,705.48, 16,392,624.06 and 6,446,197.48

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Solution

The fourth proportional to 11,878,705.48, 16,392,624.06 and 6,446,197.48 is: 8,895,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,705.48 : 16,392,624.06 = 6,446,197.48 : x
  2. Step 2: Convert to fraction form
    11,878,705.48/16,392,624.06 = 6,446,197.48/x
  3. Step 3: Cross multiply
    11,878,705.48x = 16,392,624.06 × 6,446,197.48
  4. Step 4: Simplify right side
    11,878,705.48x = 105,670,091,906,159.38
  5. Step 5: Solve for x
    x = 105,670,091,906,159.38/11,878,705.48
  6. Step 6: Final answer
    x = 8,895,758.22

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1.5x scale

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.