Home / 39,870,746.44-55,021,652.16-21,536,031.94

Finding the Fourth Proportional to 39,870,746.44, 55,021,652.16 and 21,536,031.94

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Solution

The fourth proportional to 39,870,746.44, 55,021,652.16 and 21,536,031.94 is: 29,719,736.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,870,746.44 : 55,021,652.16 = 21,536,031.94 : x
  2. Step 2: Convert to fraction form
    39,870,746.44/55,021,652.16 = 21,536,031.94/x
  3. Step 3: Cross multiply
    39,870,746.44x = 55,021,652.16 × 21,536,031.94
  4. Step 4: Simplify right side
    39,870,746.44x = 1,184,948,058,171,775.75
  5. Step 5: Solve for x
    x = 1,184,948,058,171,775.75/39,870,746.44
  6. Step 6: Final answer
    x = 29,719,736.00

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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.