Home / 21,852,015.40-32,778,023.10-7,473,802.60

Finding the Fourth Proportional to 21,852,015.40, 32,778,023.10 and 7,473,802.60

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Solution

The fourth proportional to 21,852,015.40, 32,778,023.10 and 7,473,802.60 is: 11,210,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852,015.40 : 32,778,023.10 = 7,473,802.60 : x
  2. Step 2: Convert to fraction form
    21,852,015.40/32,778,023.10 = 7,473,802.60/x
  3. Step 3: Cross multiply
    21,852,015.40x = 32,778,023.10 × 7,473,802.60
  4. Step 4: Simplify right side
    21,852,015.40x = 244,976,474,267,640.06
  5. Step 5: Solve for x
    x = 244,976,474,267,640.06/21,852,015.40
  6. Step 6: Final answer
    x = 11,210,703.90

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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.