Home / 13,643,015.22-18,827,245.53-7,531,312.50

Finding the Fourth Proportional to 13,643,015.22, 18,827,245.53 and 7,531,312.50

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Solution

The fourth proportional to 13,643,015.22, 18,827,245.53 and 7,531,312.50 is: 10,393,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,643,015.22 : 18,827,245.53 = 7,531,312.50 : x
  2. Step 2: Convert to fraction form
    13,643,015.22/18,827,245.53 = 7,531,312.50/x
  3. Step 3: Cross multiply
    13,643,015.22x = 18,827,245.53 × 7,531,312.50
  4. Step 4: Simplify right side
    13,643,015.22x = 141,793,869,600,658.12
  5. Step 5: Solve for x
    x = 141,793,869,600,658.12/13,643,015.22
  6. Step 6: Final answer
    x = 10,393,147.51

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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.