Home / 19,251,012.90-28,862,522.55-7,885,611.30

Finding the Fourth Proportional to 19,251,012.90, 28,862,522.55 and 7,885,611.30

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Solution

The fourth proportional to 19,251,012.90, 28,862,522.55 and 7,885,611.30 is: 11,822,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,012.90 : 28,862,522.55 = 7,885,611.30 : x
  2. Step 2: Convert to fraction form
    19,251,012.90/28,862,522.55 = 7,885,611.30/x
  3. Step 3: Cross multiply
    19,251,012.90x = 28,862,522.55 × 7,885,611.30
  4. Step 4: Simplify right side
    19,251,012.90x = 227,598,633,966,784.81
  5. Step 5: Solve for x
    x = 227,598,633,966,784.81/19,251,012.90
  6. Step 6: Final answer
    x = 11,822,683.57

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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.