Home / 12,963,211.40-19,444,817.10-12,774,254.60

Finding the Fourth Proportional to 12,963,211.40, 19,444,817.10 and 12,774,254.60

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Solution

The fourth proportional to 12,963,211.40, 19,444,817.10 and 12,774,254.60 is: 19,161,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963,211.40 : 19,444,817.10 = 12,774,254.60 : x
  2. Step 2: Convert to fraction form
    12,963,211.40/19,444,817.10 = 12,774,254.60/x
  3. Step 3: Cross multiply
    12,963,211.40x = 19,444,817.10 × 12,774,254.60
  4. Step 4: Simplify right side
    12,963,211.40x = 248,393,044,285,833.66
  5. Step 5: Solve for x
    x = 248,393,044,285,833.66/12,963,211.40
  6. Step 6: Final answer
    x = 19,161,381.90

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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.