Home / 12,931,459.44-19,397,189.16-5,741,303.28

Finding the Fourth Proportional to 12,931,459.44, 19,397,189.16 and 5,741,303.28

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Solution

The fourth proportional to 12,931,459.44, 19,397,189.16 and 5,741,303.28 is: 8,611,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,459.44 : 19,397,189.16 = 5,741,303.28 : x
  2. Step 2: Convert to fraction form
    12,931,459.44/19,397,189.16 = 5,741,303.28/x
  3. Step 3: Cross multiply
    12,931,459.44x = 19,397,189.16 × 5,741,303.28
  4. Step 4: Simplify right side
    12,931,459.44x = 111,365,145,747,088.45
  5. Step 5: Solve for x
    x = 111,365,145,747,088.45/12,931,459.44
  6. Step 6: Final answer
    x = 8,611,954.92

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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.