Home / 12,097,586.40-18,146,379.60-10,879,864.80

Finding the Fourth Proportional to 12,097,586.40, 18,146,379.60 and 10,879,864.80

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Solution

The fourth proportional to 12,097,586.40, 18,146,379.60 and 10,879,864.80 is: 16,319,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,586.40 : 18,146,379.60 = 10,879,864.80 : x
  2. Step 2: Convert to fraction form
    12,097,586.40/18,146,379.60 = 10,879,864.80/x
  3. Step 3: Cross multiply
    12,097,586.40x = 18,146,379.60 × 10,879,864.80
  4. Step 4: Simplify right side
    12,097,586.40x = 197,430,156,657,478.12
  5. Step 5: Solve for x
    x = 197,430,156,657,478.12/12,097,586.40
  6. Step 6: Final answer
    x = 16,319,797.20

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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.