Home / 12,963,302.60-19,440,288.30-6,571,430.60

Finding the Fourth Proportional to 12,963,302.60, 19,440,288.30 and 6,571,430.60

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Solution

The fourth proportional to 12,963,302.60, 19,440,288.30 and 6,571,430.60 is: 9,854,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963,302.60 : 19,440,288.30 = 6,571,430.60 : x
  2. Step 2: Convert to fraction form
    12,963,302.60/19,440,288.30 = 6,571,430.60/x
  3. Step 3: Cross multiply
    12,963,302.60x = 19,440,288.30 × 6,571,430.60
  4. Step 4: Simplify right side
    12,963,302.60x = 127,750,505,407,441.98
  5. Step 5: Solve for x
    x = 127,750,505,407,441.98/12,963,302.60
  6. Step 6: Final answer
    x = 9,854,780.79

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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.