Home / 20,447,795.40-30,734,678.70-19,314,054.60

Finding the Fourth Proportional to 20,447,795.40, 30,734,678.70 and 19,314,054.60

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Solution

The fourth proportional to 20,447,795.40, 30,734,678.70 and 19,314,054.60 is: 29,030,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,795.40 : 30,734,678.70 = 19,314,054.60 : x
  2. Step 2: Convert to fraction form
    20,447,795.40/30,734,678.70 = 19,314,054.60/x
  3. Step 3: Cross multiply
    20,447,795.40x = 30,734,678.70 × 19,314,054.60
  4. Step 4: Simplify right side
    20,447,795.40x = 593,611,262,525,257
  5. Step 5: Solve for x
    x = 593,611,262,525,257/20,447,795.40
  6. Step 6: Final answer
    x = 29,030,575.22

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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.