Home / 26,980,663.80-40,470,995.70-18,371,319.60

Finding the Fourth Proportional to 26,980,663.80, 40,470,995.70 and 18,371,319.60

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Solution

The fourth proportional to 26,980,663.80, 40,470,995.70 and 18,371,319.60 is: 27,556,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980,663.80 : 40,470,995.70 = 18,371,319.60 : x
  2. Step 2: Convert to fraction form
    26,980,663.80/40,470,995.70 = 18,371,319.60/x
  3. Step 3: Cross multiply
    26,980,663.80x = 40,470,995.70 × 18,371,319.60
  4. Step 4: Simplify right side
    26,980,663.80x = 743,505,596,534,925.88
  5. Step 5: Solve for x
    x = 743,505,596,534,925.88/26,980,663.80
  6. Step 6: Final answer
    x = 27,556,979.40

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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.