Home / 12,632,830.16-18,947,344.58-3,533,748.32

Finding the Fourth Proportional to 12,632,830.16, 18,947,344.58 and 3,533,748.32

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Solution

The fourth proportional to 12,632,830.16, 18,947,344.58 and 3,533,748.32 is: 5,300,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632,830.16 : 18,947,344.58 = 3,533,748.32 : x
  2. Step 2: Convert to fraction form
    12,632,830.16/18,947,344.58 = 3,533,748.32/x
  3. Step 3: Cross multiply
    12,632,830.16x = 18,947,344.58 × 3,533,748.32
  4. Step 4: Simplify right side
    12,632,830.16x = 66,955,147,078,036.09
  5. Step 5: Solve for x
    x = 66,955,147,078,036.09/12,632,830.16
  6. Step 6: Final answer
    x = 5,300,090.81

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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.