Home / 38,702,444.93-53,409,382.72-21,298,790.15

Finding the Fourth Proportional to 38,702,444.93, 53,409,382.72 and 21,298,790.15

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Solution

The fourth proportional to 38,702,444.93, 53,409,382.72 and 21,298,790.15 is: 29,392,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702,444.93 : 53,409,382.72 = 21,298,790.15 : x
  2. Step 2: Convert to fraction form
    38,702,444.93/53,409,382.72 = 21,298,790.15/x
  3. Step 3: Cross multiply
    38,702,444.93x = 53,409,382.72 × 21,298,790.15
  4. Step 4: Simplify right side
    38,702,444.93x = 1,137,555,234,594,113.25
  5. Step 5: Solve for x
    x = 1,137,555,234,594,113.25/38,702,444.93
  6. Step 6: Final answer
    x = 29,392,335.20

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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.