Home / 38,539,581.21-53,179,705.91-22,020,775.34

Finding the Fourth Proportional to 38,539,581.21, 53,179,705.91 and 22,020,775.34

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Solution

The fourth proportional to 38,539,581.21, 53,179,705.91 and 22,020,775.34 is: 30,385,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539,581.21 : 53,179,705.91 = 22,020,775.34 : x
  2. Step 2: Convert to fraction form
    38,539,581.21/53,179,705.91 = 22,020,775.34/x
  3. Step 3: Cross multiply
    38,539,581.21x = 53,179,705.91 × 22,020,775.34
  4. Step 4: Simplify right side
    38,539,581.21x = 1,171,058,356,280,533.75
  5. Step 5: Solve for x
    x = 1,171,058,356,280,533.75/38,539,581.21
  6. Step 6: Final answer
    x = 30,385,860.96

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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.