Home / 13,082,153.96-18,053,966.94-7,281,307.10

Finding the Fourth Proportional to 13,082,153.96, 18,053,966.94 and 7,281,307.10

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Solution

The fourth proportional to 13,082,153.96, 18,053,966.94 and 7,281,307.10 is: 10,048,534.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082,153.96 : 18,053,966.94 = 7,281,307.10 : x
  2. Step 2: Convert to fraction form
    13,082,153.96/18,053,966.94 = 7,281,307.10/x
  3. Step 3: Cross multiply
    13,082,153.96x = 18,053,966.94 × 7,281,307.10
  4. Step 4: Simplify right side
    13,082,153.96x = 131,456,477,663,387.28
  5. Step 5: Solve for x
    x = 131,456,477,663,387.28/13,082,153.96
  6. Step 6: Final answer
    x = 10,048,534.67

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Double scale
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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.