Home / 13,255,820.16-18,292,857.60-7,454,600.16

Finding the Fourth Proportional to 13,255,820.16, 18,292,857.60 and 7,454,600.16

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Solution

The fourth proportional to 13,255,820.16, 18,292,857.60 and 7,454,600.16 is: 10,287,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255,820.16 : 18,292,857.60 = 7,454,600.16 : x
  2. Step 2: Convert to fraction form
    13,255,820.16/18,292,857.60 = 7,454,600.16/x
  3. Step 3: Cross multiply
    13,255,820.16x = 18,292,857.60 × 7,454,600.16
  4. Step 4: Simplify right side
    13,255,820.16x = 136,365,939,191,817.23
  5. Step 5: Solve for x
    x = 136,365,939,191,817.23/13,255,820.16
  6. Step 6: Final answer
    x = 10,287,250.25

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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.