Home / 13,888,156.90-19,165,809.81-7,693,298.50

Finding the Fourth Proportional to 13,888,156.90, 19,165,809.81 and 7,693,298.50

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Solution

The fourth proportional to 13,888,156.90, 19,165,809.81 and 7,693,298.50 is: 10,616,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,156.90 : 19,165,809.81 = 7,693,298.50 : x
  2. Step 2: Convert to fraction form
    13,888,156.90/19,165,809.81 = 7,693,298.50/x
  3. Step 3: Cross multiply
    13,888,156.90x = 19,165,809.81 × 7,693,298.50
  4. Step 4: Simplify right side
    13,888,156.90x = 147,448,295,862,558.28
  5. Step 5: Solve for x
    x = 147,448,295,862,558.28/13,888,156.90
  6. Step 6: Final answer
    x = 10,616,836.84

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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.