Home / 13,481,762.50-18,604,897.86-7,370,191

Finding the Fourth Proportional to 13,481,762.50, 18,604,897.86 and 7,370,191

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Solution

The fourth proportional to 13,481,762.50, 18,604,897.86 and 7,370,191 is: 10,170,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481,762.50 : 18,604,897.86 = 7,370,191 : x
  2. Step 2: Convert to fraction form
    13,481,762.50/18,604,897.86 = 7,370,191/x
  3. Step 3: Cross multiply
    13,481,762.50x = 18,604,897.86 × 7,370,191
  4. Step 4: Simplify right side
    13,481,762.50x = 137,121,650,763,691.25
  5. Step 5: Solve for x
    x = 137,121,650,763,691.25/13,481,762.50
  6. Step 6: Final answer
    x = 10,170,899.45

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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.