Home / 19,312,896.60-28,969,344.90-8,696,064.60

Finding the Fourth Proportional to 19,312,896.60, 28,969,344.90 and 8,696,064.60

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Solution

The fourth proportional to 19,312,896.60, 28,969,344.90 and 8,696,064.60 is: 13,044,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,896.60 : 28,969,344.90 = 8,696,064.60 : x
  2. Step 2: Convert to fraction form
    19,312,896.60/28,969,344.90 = 8,696,064.60/x
  3. Step 3: Cross multiply
    19,312,896.60x = 28,969,344.90 × 8,696,064.60
  4. Step 4: Simplify right side
    19,312,896.60x = 251,919,294,670,080.53
  5. Step 5: Solve for x
    x = 251,919,294,670,080.53/19,312,896.60
  6. Step 6: Final answer
    x = 13,044,096.90

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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.