Home / 57,887,389.68-86,812,649.31-19,016,819

Finding the Fourth Proportional to 57,887,389.68, 86,812,649.31 and 19,016,819

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Solution

The fourth proportional to 57,887,389.68, 86,812,649.31 and 19,016,819 is: 28,519,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887,389.68 : 86,812,649.31 = 19,016,819 : x
  2. Step 2: Convert to fraction form
    57,887,389.68/86,812,649.31 = 19,016,819/x
  3. Step 3: Cross multiply
    57,887,389.68x = 86,812,649.31 × 19,016,819
  4. Step 4: Simplify right side
    57,887,389.68x = 1,650,900,438,838,745
  5. Step 5: Solve for x
    x = 1,650,900,438,838,745/57,887,389.68
  6. Step 6: Final answer
    x = 28,519,172.28

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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.