Home / 19,765,017.50-27,271,846.73-12,418,594.79

Finding the Fourth Proportional to 19,765,017.50, 27,271,846.73 and 12,418,594.79

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Solution

The fourth proportional to 19,765,017.50, 27,271,846.73 and 12,418,594.79 is: 17,135,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765,017.50 : 27,271,846.73 = 12,418,594.79 : x
  2. Step 2: Convert to fraction form
    19,765,017.50/27,271,846.73 = 12,418,594.79/x
  3. Step 3: Cross multiply
    19,765,017.50x = 27,271,846.73 × 12,418,594.79
  4. Step 4: Simplify right side
    19,765,017.50x = 338,678,013,609,543.81
  5. Step 5: Solve for x
    x = 338,678,013,609,543.81/19,765,017.50
  6. Step 6: Final answer
    x = 17,135,224.58

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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.