Home / 21,074,465.39-31,616,210.28-6,303,720.60

Finding the Fourth Proportional to 21,074,465.39, 31,616,210.28 and 6,303,720.60

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Solution

The fourth proportional to 21,074,465.39, 31,616,210.28 and 6,303,720.60 is: 9,456,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074,465.39 : 31,616,210.28 = 6,303,720.60 : x
  2. Step 2: Convert to fraction form
    21,074,465.39/31,616,210.28 = 6,303,720.60/x
  3. Step 3: Cross multiply
    21,074,465.39x = 31,616,210.28 × 6,303,720.60
  4. Step 4: Simplify right side
    21,074,465.39x = 199,299,756,035,967.75
  5. Step 5: Solve for x
    x = 199,299,756,035,967.75/21,074,465.39
  6. Step 6: Final answer
    x = 9,456,930.57

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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.