Home / 13,992,983.84-19,309,469.41-7,713,236.59

Finding the Fourth Proportional to 13,992,983.84, 19,309,469.41 and 7,713,236.59

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Solution

The fourth proportional to 13,992,983.84, 19,309,469.41 and 7,713,236.59 is: 10,643,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992,983.84 : 19,309,469.41 = 7,713,236.59 : x
  2. Step 2: Convert to fraction form
    13,992,983.84/19,309,469.41 = 7,713,236.59/x
  3. Step 3: Cross multiply
    13,992,983.84x = 19,309,469.41 × 7,713,236.59
  4. Step 4: Simplify right side
    13,992,983.84x = 148,938,506,056,681.34
  5. Step 5: Solve for x
    x = 148,938,506,056,681.34/13,992,983.84
  6. Step 6: Final answer
    x = 10,643,798.91

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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.