Home / 13,608,002.80-18,779,035.51-7,496,431.30

Finding the Fourth Proportional to 13,608,002.80, 18,779,035.51 and 7,496,431.30

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Solution

The fourth proportional to 13,608,002.80, 18,779,035.51 and 7,496,431.30 is: 10,345,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,002.80 : 18,779,035.51 = 7,496,431.30 : x
  2. Step 2: Convert to fraction form
    13,608,002.80/18,779,035.51 = 7,496,431.30/x
  3. Step 3: Cross multiply
    13,608,002.80x = 18,779,035.51 × 7,496,431.30
  4. Step 4: Simplify right side
    13,608,002.80x = 140,775,749,580,975.47
  5. Step 5: Solve for x
    x = 140,775,749,580,975.47/13,608,002.80
  6. Step 6: Final answer
    x = 10,345,070.59

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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.