Home / 13,347,482.55-18,419,671.04-7,841,089.49

Finding the Fourth Proportional to 13,347,482.55, 18,419,671.04 and 7,841,089.49

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Solution

The fourth proportional to 13,347,482.55, 18,419,671.04 and 7,841,089.49 is: 10,820,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347,482.55 : 18,419,671.04 = 7,841,089.49 : x
  2. Step 2: Convert to fraction form
    13,347,482.55/18,419,671.04 = 7,841,089.49/x
  3. Step 3: Cross multiply
    13,347,482.55x = 18,419,671.04 × 7,841,089.49
  4. Step 4: Simplify right side
    13,347,482.55x = 144,430,288,869,697.56
  5. Step 5: Solve for x
    x = 144,430,288,869,697.56/13,347,482.55
  6. Step 6: Final answer
    x = 10,820,788.74

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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.