Home / 38,290,095.61-52,840,669.17-20,886,518.23

Finding the Fourth Proportional to 38,290,095.61, 52,840,669.17 and 20,886,518.23

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Solution

The fourth proportional to 38,290,095.61, 52,840,669.17 and 20,886,518.23 is: 28,823,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,095.61 : 52,840,669.17 = 20,886,518.23 : x
  2. Step 2: Convert to fraction form
    38,290,095.61/52,840,669.17 = 20,886,518.23/x
  3. Step 3: Cross multiply
    38,290,095.61x = 52,840,669.17 × 20,886,518.23
  4. Step 4: Simplify right side
    38,290,095.61x = 1,103,657,599,850,826.62
  5. Step 5: Solve for x
    x = 1,103,657,599,850,826.62/38,290,095.61
  6. Step 6: Final answer
    x = 28,823,579.11

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Double scale
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1.5x scale

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.