Home / 13,766,704.40-18,997,271.56-7,655,001.68

Finding the Fourth Proportional to 13,766,704.40, 18,997,271.56 and 7,655,001.68

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Solution

The fourth proportional to 13,766,704.40, 18,997,271.56 and 7,655,001.68 is: 10,563,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,704.40 : 18,997,271.56 = 7,655,001.68 : x
  2. Step 2: Convert to fraction form
    13,766,704.40/18,997,271.56 = 7,655,001.68/x
  3. Step 3: Cross multiply
    13,766,704.40x = 18,997,271.56 × 7,655,001.68
  4. Step 4: Simplify right side
    13,766,704.40x = 145,424,145,707,216.22
  5. Step 5: Solve for x
    x = 145,424,145,707,216.22/13,766,704.40
  6. Step 6: Final answer
    x = 10,563,468.31

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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.