Home / 13,943,901.89-19,243,051.90-7,749,209.69

Finding the Fourth Proportional to 13,943,901.89, 19,243,051.90 and 7,749,209.69

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Solution

The fourth proportional to 13,943,901.89, 19,243,051.90 and 7,749,209.69 is: 10,694,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,901.89 : 19,243,051.90 = 7,749,209.69 : x
  2. Step 2: Convert to fraction form
    13,943,901.89/19,243,051.90 = 7,749,209.69/x
  3. Step 3: Cross multiply
    13,943,901.89x = 19,243,051.90 × 7,749,209.69
  4. Step 4: Simplify right side
    13,943,901.89x = 149,118,444,248,652.91
  5. Step 5: Solve for x
    x = 149,118,444,248,652.91/13,943,901.89
  6. Step 6: Final answer
    x = 10,694,169.07

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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.