Home / 31,101,240.06-42,914,396.16-18,045,506.16

Finding the Fourth Proportional to 31,101,240.06, 42,914,396.16 and 18,045,506.16

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Solution

The fourth proportional to 31,101,240.06, 42,914,396.16 and 18,045,506.16 is: 24,899,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,101,240.06 : 42,914,396.16 = 18,045,506.16 : x
  2. Step 2: Convert to fraction form
    31,101,240.06/42,914,396.16 = 18,045,506.16/x
  3. Step 3: Cross multiply
    31,101,240.06x = 42,914,396.16 × 18,045,506.16
  4. Step 4: Simplify right side
    31,101,240.06x = 774,412,000,257,960.25
  5. Step 5: Solve for x
    x = 774,412,000,257,960.25/31,101,240.06
  6. Step 6: Final answer
    x = 24,899,714.57

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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.