Home / 10,598,915.40-15,879,710.70-8,695,350.60

Finding the Fourth Proportional to 10,598,915.40, 15,879,710.70 and 8,695,350.60

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Solution

The fourth proportional to 10,598,915.40, 15,879,710.70 and 8,695,350.60 is: 13,027,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598,915.40 : 15,879,710.70 = 8,695,350.60 : x
  2. Step 2: Convert to fraction form
    10,598,915.40/15,879,710.70 = 8,695,350.60/x
  3. Step 3: Cross multiply
    10,598,915.40x = 15,879,710.70 × 8,695,350.60
  4. Step 4: Simplify right side
    10,598,915.40x = 138,079,651,963,071.41
  5. Step 5: Solve for x
    x = 138,079,651,963,071.41/10,598,915.40
  6. Step 6: Final answer
    x = 13,027,715.27

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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.