Home / 11,878,316.72-16,392,077.09-6,445,808.72

Finding the Fourth Proportional to 11,878,316.72, 16,392,077.09 and 6,445,808.72

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Solution

The fourth proportional to 11,878,316.72, 16,392,077.09 and 6,445,808.72 is: 8,895,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,316.72 : 16,392,077.09 = 6,445,808.72 : x
  2. Step 2: Convert to fraction form
    11,878,316.72/16,392,077.09 = 6,445,808.72/x
  3. Step 3: Cross multiply
    11,878,316.72x = 16,392,077.09 × 6,445,808.72
  4. Step 4: Simplify right side
    11,878,316.72x = 105,660,193,331,444.80
  5. Step 5: Solve for x
    x = 105,660,193,331,444.80/11,878,316.72
  6. Step 6: Final answer
    x = 8,895,216.04

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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.