Home / 37,689,291.36-52,011,689.28-21,173,023.68

Finding the Fourth Proportional to 37,689,291.36, 52,011,689.28 and 21,173,023.68

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Solution

The fourth proportional to 37,689,291.36, 52,011,689.28 and 21,173,023.68 is: 29,219,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,689,291.36 : 52,011,689.28 = 21,173,023.68 : x
  2. Step 2: Convert to fraction form
    37,689,291.36/52,011,689.28 = 21,173,023.68/x
  3. Step 3: Cross multiply
    37,689,291.36x = 52,011,689.28 × 21,173,023.68
  4. Step 4: Simplify right side
    37,689,291.36x = 1,101,244,728,762,242.12
  5. Step 5: Solve for x
    x = 1,101,244,728,762,242.12/37,689,291.36
  6. Step 6: Final answer
    x = 29,219,035.14

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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.