Home / 10,852,870.40-16,281,638.40-3,280,601.60

Finding the Fourth Proportional to 10,852,870.40, 16,281,638.40 and 3,280,601.60

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Solution

The fourth proportional to 10,852,870.40, 16,281,638.40 and 3,280,601.60 is: 4,921,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852,870.40 : 16,281,638.40 = 3,280,601.60 : x
  2. Step 2: Convert to fraction form
    10,852,870.40/16,281,638.40 = 3,280,601.60/x
  3. Step 3: Cross multiply
    10,852,870.40x = 16,281,638.40 × 3,280,601.60
  4. Step 4: Simplify right side
    10,852,870.40x = 53,413,568,985,661.45
  5. Step 5: Solve for x
    x = 53,413,568,985,661.45/10,852,870.40
  6. Step 6: Final answer
    x = 4,921,607.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.