Home / 9,520,000.55-13,137,232.31-5,168,987.28

Finding the Fourth Proportional to 9,520,000.55, 13,137,232.31 and 5,168,987.28

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Solution

The fourth proportional to 9,520,000.55, 13,137,232.31 and 5,168,987.28 is: 7,133,002.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520,000.55 : 13,137,232.31 = 5,168,987.28 : x
  2. Step 2: Convert to fraction form
    9,520,000.55/13,137,232.31 = 5,168,987.28/x
  3. Step 3: Cross multiply
    9,520,000.55x = 13,137,232.31 × 5,168,987.28
  4. Step 4: Simplify right side
    9,520,000.55x = 67,906,186,678,950.09
  5. Step 5: Solve for x
    x = 67,906,186,678,950.09/9,520,000.55
  6. Step 6: Final answer
    x = 7,133,002.39

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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.