Home / 21,754,858.40-32,632,287.60-20,411,165.60

Finding the Fourth Proportional to 21,754,858.40, 32,632,287.60 and 20,411,165.60

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Solution

The fourth proportional to 21,754,858.40, 32,632,287.60 and 20,411,165.60 is: 30,616,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,754,858.40 : 32,632,287.60 = 20,411,165.60 : x
  2. Step 2: Convert to fraction form
    21,754,858.40/32,632,287.60 = 20,411,165.60/x
  3. Step 3: Cross multiply
    21,754,858.40x = 32,632,287.60 × 20,411,165.60
  4. Step 4: Simplify right side
    21,754,858.40x = 666,063,026,110,426.62
  5. Step 5: Solve for x
    x = 666,063,026,110,426.62/21,754,858.40
  6. Step 6: Final answer
    x = 30,616,748.40

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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.