Home / 15,410,905.23-21,267,205.52-9,298,152.75

Finding the Fourth Proportional to 15,410,905.23, 21,267,205.52 and 9,298,152.75

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Solution

The fourth proportional to 15,410,905.23, 21,267,205.52 and 9,298,152.75 is: 12,831,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410,905.23 : 21,267,205.52 = 9,298,152.75 : x
  2. Step 2: Convert to fraction form
    15,410,905.23/21,267,205.52 = 9,298,152.75/x
  3. Step 3: Cross multiply
    15,410,905.23x = 21,267,205.52 × 9,298,152.75
  4. Step 4: Simplify right side
    15,410,905.23x = 197,745,725,444,112.41
  5. Step 5: Solve for x
    x = 197,745,725,444,112.41/15,410,905.23
  6. Step 6: Final answer
    x = 12,831,545.10

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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.