Home / 21,323,007.40-31,984,487.34-6,946,051.72

Finding the Fourth Proportional to 21,323,007.40, 31,984,487.34 and 6,946,051.72

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Solution

The fourth proportional to 21,323,007.40, 31,984,487.34 and 6,946,051.72 is: 10,419,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,007.40 : 31,984,487.34 = 6,946,051.72 : x
  2. Step 2: Convert to fraction form
    21,323,007.40/31,984,487.34 = 6,946,051.72/x
  3. Step 3: Cross multiply
    21,323,007.40x = 31,984,487.34 × 6,946,051.72
  4. Step 4: Simplify right side
    21,323,007.40x = 222,165,903,301,325.22
  5. Step 5: Solve for x
    x = 222,165,903,301,325.22/21,323,007.40
  6. Step 6: Final answer
    x = 10,419,069.84

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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.