Home / 15,552,905.40-23,317,694.10-7,985,302.20

Finding the Fourth Proportional to 15,552,905.40, 23,317,694.10 and 7,985,302.20

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Solution

The fourth proportional to 15,552,905.40, 23,317,694.10 and 7,985,302.20 is: 11,971,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,905.40 : 23,317,694.10 = 7,985,302.20 : x
  2. Step 2: Convert to fraction form
    15,552,905.40/23,317,694.10 = 7,985,302.20/x
  3. Step 3: Cross multiply
    15,552,905.40x = 23,317,694.10 × 7,985,302.20
  4. Step 4: Simplify right side
    15,552,905.40x = 186,198,833,995,657.03
  5. Step 5: Solve for x
    x = 186,198,833,995,657.03/15,552,905.40
  6. Step 6: Final answer
    x = 11,971,964.67

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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.