Home / 9,439,987.47-13,028,190-5,520,941.79

Finding the Fourth Proportional to 9,439,987.47, 13,028,190 and 5,520,941.79

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Solution

The fourth proportional to 9,439,987.47, 13,028,190 and 5,520,941.79 is: 7,619,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439,987.47 : 13,028,190 = 5,520,941.79 : x
  2. Step 2: Convert to fraction form
    9,439,987.47/13,028,190 = 5,520,941.79/x
  3. Step 3: Cross multiply
    9,439,987.47x = 13,028,190 × 5,520,941.79
  4. Step 4: Simplify right side
    9,439,987.47x = 71,927,878,619,060.09
  5. Step 5: Solve for x
    x = 71,927,878,619,060.09/9,439,987.47
  6. Step 6: Final answer
    x = 7,619,488.78

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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.