Home / 19,579,276.50-27,017,820-11,319,871.19

Finding the Fourth Proportional to 19,579,276.50, 27,017,820 and 11,319,871.19

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Solution

The fourth proportional to 19,579,276.50, 27,017,820 and 11,319,871.19 is: 15,620,507.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579,276.50 : 27,017,820 = 11,319,871.19 : x
  2. Step 2: Convert to fraction form
    19,579,276.50/27,017,820 = 11,319,871.19/x
  3. Step 3: Cross multiply
    19,579,276.50x = 27,017,820 × 11,319,871.19
  4. Step 4: Simplify right side
    19,579,276.50x = 305,838,242,099,516.69
  5. Step 5: Solve for x
    x = 305,838,242,099,516.69/19,579,276.50
  6. Step 6: Final answer
    x = 15,620,507.84

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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.