Home / 9,131,880.72-12,601,348.93-5,210,718.06

Finding the Fourth Proportional to 9,131,880.72, 12,601,348.93 and 5,210,718.06

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Solution

The fourth proportional to 9,131,880.72, 12,601,348.93 and 5,210,718.06 is: 7,190,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131,880.72 : 12,601,348.93 = 5,210,718.06 : x
  2. Step 2: Convert to fraction form
    9,131,880.72/12,601,348.93 = 5,210,718.06/x
  3. Step 3: Cross multiply
    9,131,880.72x = 12,601,348.93 × 5,210,718.06
  4. Step 4: Simplify right side
    9,131,880.72x = 65,662,076,468,389.26
  5. Step 5: Solve for x
    x = 65,662,076,468,389.26/9,131,880.72
  6. Step 6: Final answer
    x = 7,190,422.05

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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.