Home / 39,033,689.36-53,866,812.24-21,630,325.22

Finding the Fourth Proportional to 39,033,689.36, 53,866,812.24 and 21,630,325.22

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Solution

The fourth proportional to 39,033,689.36, 53,866,812.24 and 21,630,325.22 is: 29,850,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,033,689.36 : 53,866,812.24 = 21,630,325.22 : x
  2. Step 2: Convert to fraction form
    39,033,689.36/53,866,812.24 = 21,630,325.22/x
  3. Step 3: Cross multiply
    39,033,689.36x = 53,866,812.24 × 21,630,325.22
  4. Step 4: Simplify right side
    39,033,689.36x = 1,165,156,667,315,876.75
  5. Step 5: Solve for x
    x = 1,165,156,667,315,876.75/39,033,689.36
  6. Step 6: Final answer
    x = 29,850,026.64

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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.