Home / 18,774,415.04-28,111,166.91-11,913,844.01

Finding the Fourth Proportional to 18,774,415.04, 28,111,166.91 and 11,913,844.01

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Solution

The fourth proportional to 18,774,415.04, 28,111,166.91 and 11,913,844.01 is: 17,838,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774,415.04 : 28,111,166.91 = 11,913,844.01 : x
  2. Step 2: Convert to fraction form
    18,774,415.04/28,111,166.91 = 11,913,844.01/x
  3. Step 3: Cross multiply
    18,774,415.04x = 28,111,166.91 × 11,913,844.01
  4. Step 4: Simplify right side
    18,774,415.04x = 334,912,057,364,257.88
  5. Step 5: Solve for x
    x = 334,912,057,364,257.88/18,774,415.04
  6. Step 6: Final answer
    x = 17,838,747.93

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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.