Home / 39,938,889.60-55,115,887.32-22,298,589.72

Finding the Fourth Proportional to 39,938,889.60, 55,115,887.32 and 22,298,589.72

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Solution

The fourth proportional to 39,938,889.60, 55,115,887.32 and 22,298,589.72 is: 30,772,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938,889.60 : 55,115,887.32 = 22,298,589.72 : x
  2. Step 2: Convert to fraction form
    39,938,889.60/55,115,887.32 = 22,298,589.72/x
  3. Step 3: Cross multiply
    39,938,889.60x = 55,115,887.32 × 22,298,589.72
  4. Step 4: Simplify right side
    39,938,889.60x = 1,229,006,558,402,430.25
  5. Step 5: Solve for x
    x = 1,229,006,558,402,430.25/39,938,889.60
  6. Step 6: Final answer
    x = 30,772,176.46

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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.