Home / 21,507,201.80-32,260,802.70-21,357,902.60

Finding the Fourth Proportional to 21,507,201.80, 32,260,802.70 and 21,357,902.60

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Solution

The fourth proportional to 21,507,201.80, 32,260,802.70 and 21,357,902.60 is: 32,036,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,507,201.80 : 32,260,802.70 = 21,357,902.60 : x
  2. Step 2: Convert to fraction form
    21,507,201.80/32,260,802.70 = 21,357,902.60/x
  3. Step 3: Cross multiply
    21,507,201.80x = 32,260,802.70 × 21,357,902.60
  4. Step 4: Simplify right side
    21,507,201.80x = 689,023,081,864,417
  5. Step 5: Solve for x
    x = 689,023,081,864,417/21,507,201.80
  6. Step 6: Final answer
    x = 32,036,853.90

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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.