Home / 11,516,322.51-15,892,531.04-6,289,403.45

Finding the Fourth Proportional to 11,516,322.51, 15,892,531.04 and 6,289,403.45

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Solution

The fourth proportional to 11,516,322.51, 15,892,531.04 and 6,289,403.45 is: 8,679,380.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516,322.51 : 15,892,531.04 = 6,289,403.45 : x
  2. Step 2: Convert to fraction form
    11,516,322.51/15,892,531.04 = 6,289,403.45/x
  3. Step 3: Cross multiply
    11,516,322.51x = 15,892,531.04 × 6,289,403.45
  4. Step 4: Simplify right side
    11,516,322.51x = 99,954,539,441,298.42
  5. Step 5: Solve for x
    x = 99,954,539,441,298.42/11,516,322.51
  6. Step 6: Final answer
    x = 8,679,380.02

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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.