Home / 9,290,515.52-12,820,911.42-5,216,222

Finding the Fourth Proportional to 9,290,515.52, 12,820,911.42 and 5,216,222

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Solution

The fourth proportional to 9,290,515.52, 12,820,911.42 and 5,216,222 is: 7,198,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290,515.52 : 12,820,911.42 = 5,216,222 : x
  2. Step 2: Convert to fraction form
    9,290,515.52/12,820,911.42 = 5,216,222/x
  3. Step 3: Cross multiply
    9,290,515.52x = 12,820,911.42 × 5,216,222
  4. Step 4: Simplify right side
    9,290,515.52x = 66,876,720,209,055.24
  5. Step 5: Solve for x
    x = 66,876,720,209,055.24/9,290,515.52
  6. Step 6: Final answer
    x = 7,198,386.36

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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.