Home / 20,212,718.47-30,319,063.66-4,860,003.07

Finding the Fourth Proportional to 20,212,718.47, 30,319,063.66 and 4,860,003.07

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Solution

The fourth proportional to 20,212,718.47, 30,319,063.66 and 4,860,003.07 is: 7,290,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212,718.47 : 30,319,063.66 = 4,860,003.07 : x
  2. Step 2: Convert to fraction form
    20,212,718.47/30,319,063.66 = 4,860,003.07/x
  3. Step 3: Cross multiply
    20,212,718.47x = 30,319,063.66 × 4,860,003.07
  4. Step 4: Simplify right side
    20,212,718.47x = 147,350,742,511,099.28
  5. Step 5: Solve for x
    x = 147,350,742,511,099.28/20,212,718.47
  6. Step 6: Final answer
    x = 7,290,001.23

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1.5x scale

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.