Home / 10,400,824.80-15,602,403.60-3,212,301.60

Finding the Fourth Proportional to 10,400,824.80, 15,602,403.60 and 3,212,301.60

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Solution

The fourth proportional to 10,400,824.80, 15,602,403.60 and 3,212,301.60 is: 4,818,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,824.80 : 15,602,403.60 = 3,212,301.60 : x
  2. Step 2: Convert to fraction form
    10,400,824.80/15,602,403.60 = 3,212,301.60/x
  3. Step 3: Cross multiply
    10,400,824.80x = 15,602,403.60 × 3,212,301.60
  4. Step 4: Simplify right side
    10,400,824.80x = 50,119,626,048,125.76
  5. Step 5: Solve for x
    x = 50,119,626,048,125.76/10,400,824.80
  6. Step 6: Final answer
    x = 4,818,812.64

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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.