Home / 12,969,562.08-17,898,333.12-7,168,435.32

Finding the Fourth Proportional to 12,969,562.08, 17,898,333.12 and 7,168,435.32

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Solution

The fourth proportional to 12,969,562.08, 17,898,333.12 and 7,168,435.32 is: 9,892,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,562.08 : 17,898,333.12 = 7,168,435.32 : x
  2. Step 2: Convert to fraction form
    12,969,562.08/17,898,333.12 = 7,168,435.32/x
  3. Step 3: Cross multiply
    12,969,562.08x = 17,898,333.12 × 7,168,435.32
  4. Step 4: Simplify right side
    12,969,562.08x = 128,303,043,306,533.81
  5. Step 5: Solve for x
    x = 128,303,043,306,533.81/12,969,562.08
  6. Step 6: Final answer
    x = 9,892,627.25

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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.