Home / 21,008,636.16-31,527,116.48-7,361,905.28

Finding the Fourth Proportional to 21,008,636.16, 31,527,116.48 and 7,361,905.28

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Solution

The fourth proportional to 21,008,636.16, 31,527,116.48 and 7,361,905.28 is: 11,047,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,636.16 : 31,527,116.48 = 7,361,905.28 : x
  2. Step 2: Convert to fraction form
    21,008,636.16/31,527,116.48 = 7,361,905.28/x
  3. Step 3: Cross multiply
    21,008,636.16x = 31,527,116.48 × 7,361,905.28
  4. Step 4: Simplify right side
    21,008,636.16x = 232,099,645,277,287.03
  5. Step 5: Solve for x
    x = 232,099,645,277,287.03/21,008,636.16
  6. Step 6: Final answer
    x = 11,047,820.69

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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.