Home / 13,851,626.48-19,117,143.24-7,971,139.88

Finding the Fourth Proportional to 13,851,626.48, 19,117,143.24 and 7,971,139.88

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Solution

The fourth proportional to 13,851,626.48, 19,117,143.24 and 7,971,139.88 is: 11,001,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,626.48 : 19,117,143.24 = 7,971,139.88 : x
  2. Step 2: Convert to fraction form
    13,851,626.48/19,117,143.24 = 7,971,139.88/x
  3. Step 3: Cross multiply
    13,851,626.48x = 19,117,143.24 × 7,971,139.88
  4. Step 4: Simplify right side
    13,851,626.48x = 152,385,422,872,036.41
  5. Step 5: Solve for x
    x = 152,385,422,872,036.41/13,851,626.48
  6. Step 6: Final answer
    x = 11,001,265.67

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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.