Home / 21,574,911.60-32,362,367.40-19,223,449.20

Finding the Fourth Proportional to 21,574,911.60, 32,362,367.40 and 19,223,449.20

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Solution

The fourth proportional to 21,574,911.60, 32,362,367.40 and 19,223,449.20 is: 28,835,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574,911.60 : 32,362,367.40 = 19,223,449.20 : x
  2. Step 2: Convert to fraction form
    21,574,911.60/32,362,367.40 = 19,223,449.20/x
  3. Step 3: Cross multiply
    21,574,911.60x = 32,362,367.40 × 19,223,449.20
  4. Step 4: Simplify right side
    21,574,911.60x = 622,116,325,705,636
  5. Step 5: Solve for x
    x = 622,116,325,705,636/21,574,911.60
  6. Step 6: Final answer
    x = 28,835,173.80

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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.