Home / 21,028,200.80-31,539,968.40-5,883,663.20

Finding the Fourth Proportional to 21,028,200.80, 31,539,968.40 and 5,883,663.20

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Solution

The fourth proportional to 21,028,200.80, 31,539,968.40 and 5,883,663.20 is: 8,824,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028,200.80 : 31,539,968.40 = 5,883,663.20 : x
  2. Step 2: Convert to fraction form
    21,028,200.80/31,539,968.40 = 5,883,663.20/x
  3. Step 3: Cross multiply
    21,028,200.80x = 31,539,968.40 × 5,883,663.20
  4. Step 4: Simplify right side
    21,028,200.80x = 185,570,551,404,242.88
  5. Step 5: Solve for x
    x = 185,570,551,404,242.88/21,028,200.80
  6. Step 6: Final answer
    x = 8,824,842.09

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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.