Home / 12,960,494.60-19,440,741.90-7,291,790.60

Finding the Fourth Proportional to 12,960,494.60, 19,440,741.90 and 7,291,790.60

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Solution

The fourth proportional to 12,960,494.60, 19,440,741.90 and 7,291,790.60 is: 10,937,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,494.60 : 19,440,741.90 = 7,291,790.60 : x
  2. Step 2: Convert to fraction form
    12,960,494.60/19,440,741.90 = 7,291,790.60/x
  3. Step 3: Cross multiply
    12,960,494.60x = 19,440,741.90 × 7,291,790.60
  4. Step 4: Simplify right side
    12,960,494.60x = 141,757,819,043,446.12
  5. Step 5: Solve for x
    x = 141,757,819,043,446.12/12,960,494.60
  6. Step 6: Final answer
    x = 10,937,685.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.