Home / 38,913,228.19-53,698,399.51-21,273,041.11

Finding the Fourth Proportional to 38,913,228.19, 53,698,399.51 and 21,273,041.11

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Solution

The fourth proportional to 38,913,228.19, 53,698,399.51 and 21,273,041.11 is: 29,355,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,913,228.19 : 53,698,399.51 = 21,273,041.11 : x
  2. Step 2: Convert to fraction form
    38,913,228.19/53,698,399.51 = 21,273,041.11/x
  3. Step 3: Cross multiply
    38,913,228.19x = 53,698,399.51 × 21,273,041.11
  4. Step 4: Simplify right side
    38,913,228.19x = 1,142,328,260,317,433.75
  5. Step 5: Solve for x
    x = 1,142,328,260,317,433.75/38,913,228.19
  6. Step 6: Final answer
    x = 29,355,782.43

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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.