Home / 13,698,810.74-20,545,647.15-6,873,551.35

Finding the Fourth Proportional to 13,698,810.74, 20,545,647.15 and 6,873,551.35

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Solution

The fourth proportional to 13,698,810.74, 20,545,647.15 and 6,873,551.35 is: 10,309,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,810.74 : 20,545,647.15 = 6,873,551.35 : x
  2. Step 2: Convert to fraction form
    13,698,810.74/20,545,647.15 = 6,873,551.35/x
  3. Step 3: Cross multiply
    13,698,810.74x = 20,545,647.15 × 6,873,551.35
  4. Step 4: Simplify right side
    13,698,810.74x = 141,221,560,704,506.12
  5. Step 5: Solve for x
    x = 141,221,560,704,506.12/13,698,810.74
  6. Step 6: Final answer
    x = 10,309,038.02

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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.