Home / 11,889,742.02-16,407,940.41-6,457,272.90

Finding the Fourth Proportional to 11,889,742.02, 16,407,940.41 and 6,457,272.90

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Solution

The fourth proportional to 11,889,742.02, 16,407,940.41 and 6,457,272.90 is: 8,911,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889,742.02 : 16,407,940.41 = 6,457,272.90 : x
  2. Step 2: Convert to fraction form
    11,889,742.02/16,407,940.41 = 6,457,272.90/x
  3. Step 3: Cross multiply
    11,889,742.02x = 16,407,940.41 × 6,457,272.90
  4. Step 4: Simplify right side
    11,889,742.02x = 105,950,548,954,307.89
  5. Step 5: Solve for x
    x = 105,950,548,954,307.89/11,889,742.02
  6. Step 6: Final answer
    x = 8,911,088.97

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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.