Home / 12,108,009.27-18,166,442.59-5,634,172.16

Finding the Fourth Proportional to 12,108,009.27, 18,166,442.59 and 5,634,172.16

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Solution

The fourth proportional to 12,108,009.27, 18,166,442.59 and 5,634,172.16 is: 8,453,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,009.27 : 18,166,442.59 = 5,634,172.16 : x
  2. Step 2: Convert to fraction form
    12,108,009.27/18,166,442.59 = 5,634,172.16/x
  3. Step 3: Cross multiply
    12,108,009.27x = 18,166,442.59 × 5,634,172.16
  4. Step 4: Simplify right side
    12,108,009.27x = 102,352,864,995,984.08
  5. Step 5: Solve for x
    x = 102,352,864,995,984.08/12,108,009.27
  6. Step 6: Final answer
    x = 8,453,319.02

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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.