Home / 13,978,587.83-19,290,267.17-7,698,994.49

Finding the Fourth Proportional to 13,978,587.83, 19,290,267.17 and 7,698,994.49

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Solution

The fourth proportional to 13,978,587.83, 19,290,267.17 and 7,698,994.49 is: 10,624,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,978,587.83 : 19,290,267.17 = 7,698,994.49 : x
  2. Step 2: Convert to fraction form
    13,978,587.83/19,290,267.17 = 7,698,994.49/x
  3. Step 3: Cross multiply
    13,978,587.83x = 19,290,267.17 × 7,698,994.49
  4. Step 4: Simplify right side
    13,978,587.83x = 148,515,660,652,457.91
  5. Step 5: Solve for x
    x = 148,515,660,652,457.91/13,978,587.83
  6. Step 6: Final answer
    x = 10,624,511.03

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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.