Home / 20,574,706.40-30,862,059.60-10,371,039.20

Finding the Fourth Proportional to 20,574,706.40, 30,862,059.60 and 10,371,039.20

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Solution

The fourth proportional to 20,574,706.40, 30,862,059.60 and 10,371,039.20 is: 15,556,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574,706.40 : 30,862,059.60 = 10,371,039.20 : x
  2. Step 2: Convert to fraction form
    20,574,706.40/30,862,059.60 = 10,371,039.20/x
  3. Step 3: Cross multiply
    20,574,706.40x = 30,862,059.60 × 10,371,039.20
  4. Step 4: Simplify right side
    20,574,706.40x = 320,071,629,904,336.31
  5. Step 5: Solve for x
    x = 320,071,629,904,336.31/20,574,706.40
  6. Step 6: Final answer
    x = 15,556,558.80

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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.