Home / 13,869,064.30-19,140,925.36-8,068,090.54

Finding the Fourth Proportional to 13,869,064.30, 19,140,925.36 and 8,068,090.54

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Solution

The fourth proportional to 13,869,064.30, 19,140,925.36 and 8,068,090.54 is: 11,134,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869,064.30 : 19,140,925.36 = 8,068,090.54 : x
  2. Step 2: Convert to fraction form
    13,869,064.30/19,140,925.36 = 8,068,090.54/x
  3. Step 3: Cross multiply
    13,869,064.30x = 19,140,925.36 × 8,068,090.54
  4. Step 4: Simplify right side
    13,869,064.30x = 154,430,718,823,862.09
  5. Step 5: Solve for x
    x = 154,430,718,823,862.09/13,869,064.30
  6. Step 6: Final answer
    x = 11,134,905.39

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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.