Home / 28,078,191.06-42,090,380.55-11,881,862.34

Finding the Fourth Proportional to 28,078,191.06, 42,090,380.55 and 11,881,862.34

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Solution

The fourth proportional to 28,078,191.06, 42,090,380.55 and 11,881,862.34 is: 17,811,407.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,078,191.06 : 42,090,380.55 = 11,881,862.34 : x
  2. Step 2: Convert to fraction form
    28,078,191.06/42,090,380.55 = 11,881,862.34/x
  3. Step 3: Cross multiply
    28,078,191.06x = 42,090,380.55 × 11,881,862.34
  4. Step 4: Simplify right side
    28,078,191.06x = 500,112,107,533,313.44
  5. Step 5: Solve for x
    x = 500,112,107,533,313.44/28,078,191.06
  6. Step 6: Final answer
    x = 17,811,407.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.