Home / 19,191,962.40-28,773,946.80-7,826,560.80

Finding the Fourth Proportional to 19,191,962.40, 28,773,946.80 and 7,826,560.80

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Solution

The fourth proportional to 19,191,962.40, 28,773,946.80 and 7,826,560.80 is: 11,734,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191,962.40 : 28,773,946.80 = 7,826,560.80 : x
  2. Step 2: Convert to fraction form
    19,191,962.40/28,773,946.80 = 7,826,560.80/x
  3. Step 3: Cross multiply
    19,191,962.40x = 28,773,946.80 × 7,826,560.80
  4. Step 4: Simplify right side
    19,191,962.40x = 225,201,044,086,165.44
  5. Step 5: Solve for x
    x = 225,201,044,086,165.44/19,191,962.40
  6. Step 6: Final answer
    x = 11,734,133.25

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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.