Home / 12,193,845.36-16,828,892.28-7,038,590.64

Finding the Fourth Proportional to 12,193,845.36, 16,828,892.28 and 7,038,590.64

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Solution

The fourth proportional to 12,193,845.36, 16,828,892.28 and 7,038,590.64 is: 9,714,054.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193,845.36 : 16,828,892.28 = 7,038,590.64 : x
  2. Step 2: Convert to fraction form
    12,193,845.36/16,828,892.28 = 7,038,590.64/x
  3. Step 3: Cross multiply
    12,193,845.36x = 16,828,892.28 × 7,038,590.64
  4. Step 4: Simplify right side
    12,193,845.36x = 118,451,683,683,576.27
  5. Step 5: Solve for x
    x = 118,451,683,683,576.27/12,193,845.36
  6. Step 6: Final answer
    x = 9,714,054.93

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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.