Home / 13,333,089.78-18,401,157.13-7,532,245.18

Finding the Fourth Proportional to 13,333,089.78, 18,401,157.13 and 7,532,245.18

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Solution

The fourth proportional to 13,333,089.78, 18,401,157.13 and 7,532,245.18 is: 10,395,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333,089.78 : 18,401,157.13 = 7,532,245.18 : x
  2. Step 2: Convert to fraction form
    13,333,089.78/18,401,157.13 = 7,532,245.18/x
  3. Step 3: Cross multiply
    13,333,089.78x = 18,401,157.13 × 7,532,245.18
  4. Step 4: Simplify right side
    13,333,089.78x = 138,602,027,098,865.12
  5. Step 5: Solve for x
    x = 138,602,027,098,865.12/13,333,089.78
  6. Step 6: Final answer
    x = 10,395,341.92

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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.