Home / 13,799,408.48-19,041,532.08-7,918,740.48

Finding the Fourth Proportional to 13,799,408.48, 19,041,532.08 and 7,918,740.48

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Solution

The fourth proportional to 13,799,408.48, 19,041,532.08 and 7,918,740.48 is: 10,926,914.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799,408.48 : 19,041,532.08 = 7,918,740.48 : x
  2. Step 2: Convert to fraction form
    13,799,408.48/19,041,532.08 = 7,918,740.48/x
  3. Step 3: Cross multiply
    13,799,408.48x = 19,041,532.08 × 7,918,740.48
  4. Step 4: Simplify right side
    13,799,408.48x = 150,784,950,883,114.59
  5. Step 5: Solve for x
    x = 150,784,950,883,114.59/13,799,408.48
  6. Step 6: Final answer
    x = 10,926,914.08

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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.