Home / 9,666,172.89-13,339,329.35-5,315,332.41

Finding the Fourth Proportional to 9,666,172.89, 13,339,329.35 and 5,315,332.41

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Solution

The fourth proportional to 9,666,172.89, 13,339,329.35 and 5,315,332.41 is: 7,335,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666,172.89 : 13,339,329.35 = 5,315,332.41 : x
  2. Step 2: Convert to fraction form
    9,666,172.89/13,339,329.35 = 5,315,332.41/x
  3. Step 3: Cross multiply
    9,666,172.89x = 13,339,329.35 × 5,315,332.41
  4. Step 4: Simplify right side
    9,666,172.89x = 70,902,969,595,142.58
  5. Step 5: Solve for x
    x = 70,902,969,595,142.58/9,666,172.89
  6. Step 6: Final answer
    x = 7,335,164.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.