Home / 13,555,164.57-18,705,616.29-7,360,077.35

Finding the Fourth Proportional to 13,555,164.57, 18,705,616.29 and 7,360,077.35

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Solution

The fourth proportional to 13,555,164.57, 18,705,616.29 and 7,360,077.35 is: 10,156,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,164.57 : 18,705,616.29 = 7,360,077.35 : x
  2. Step 2: Convert to fraction form
    13,555,164.57/18,705,616.29 = 7,360,077.35/x
  3. Step 3: Cross multiply
    13,555,164.57x = 18,705,616.29 × 7,360,077.35
  4. Step 4: Simplify right side
    13,555,164.57x = 137,674,782,773,820.02
  5. Step 5: Solve for x
    x = 137,674,782,773,820.02/13,555,164.57
  6. Step 6: Final answer
    x = 10,156,629.38

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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.