Home / 12,859,971.55-17,746,817.85-7,058,800.96

Finding the Fourth Proportional to 12,859,971.55, 17,746,817.85 and 7,058,800.96

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Solution

The fourth proportional to 12,859,971.55, 17,746,817.85 and 7,058,800.96 is: 9,741,176.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,971.55 : 17,746,817.85 = 7,058,800.96 : x
  2. Step 2: Convert to fraction form
    12,859,971.55/17,746,817.85 = 7,058,800.96/x
  3. Step 3: Cross multiply
    12,859,971.55x = 17,746,817.85 × 7,058,800.96
  4. Step 4: Simplify right side
    12,859,971.55x = 125,271,254,832,158.09
  5. Step 5: Solve for x
    x = 125,271,254,832,158.09/12,859,971.55
  6. Step 6: Final answer
    x = 9,741,176.67

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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.