Home / 13,271,480.06-18,315,210.70-7,391,114.21

Finding the Fourth Proportional to 13,271,480.06, 18,315,210.70 and 7,391,114.21

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Solution

The fourth proportional to 13,271,480.06, 18,315,210.70 and 7,391,114.21 is: 10,200,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271,480.06 : 18,315,210.70 = 7,391,114.21 : x
  2. Step 2: Convert to fraction form
    13,271,480.06/18,315,210.70 = 7,391,114.21/x
  3. Step 3: Cross multiply
    13,271,480.06x = 18,315,210.70 × 7,391,114.21
  4. Step 4: Simplify right side
    13,271,480.06x = 135,369,814,021,919.91
  5. Step 5: Solve for x
    x = 135,369,814,021,919.91/13,271,480.06
  6. Step 6: Final answer
    x = 10,200,054.06

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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.