Home / 30,402,025.56-41,955,090.84-18,178,882.56

Finding the Fourth Proportional to 30,402,025.56, 41,955,090.84 and 18,178,882.56

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Solution

The fourth proportional to 30,402,025.56, 41,955,090.84 and 18,178,882.56 is: 25,087,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402,025.56 : 41,955,090.84 = 18,178,882.56 : x
  2. Step 2: Convert to fraction form
    30,402,025.56/41,955,090.84 = 18,178,882.56/x
  3. Step 3: Cross multiply
    30,402,025.56x = 41,955,090.84 × 18,178,882.56
  4. Step 4: Simplify right side
    30,402,025.56x = 762,696,669,174,491.75
  5. Step 5: Solve for x
    x = 762,696,669,174,491.75/30,402,025.56
  6. Step 6: Final answer
    x = 25,087,034.67

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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.