Home / 12,774,615.40-19,161,923.10-12,018,788.20

Finding the Fourth Proportional to 12,774,615.40, 19,161,923.10 and 12,018,788.20

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Solution

The fourth proportional to 12,774,615.40, 19,161,923.10 and 12,018,788.20 is: 18,028,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774,615.40 : 19,161,923.10 = 12,018,788.20 : x
  2. Step 2: Convert to fraction form
    12,774,615.40/19,161,923.10 = 12,018,788.20/x
  3. Step 3: Cross multiply
    12,774,615.40x = 19,161,923.10 × 12,018,788.20
  4. Step 4: Simplify right side
    12,774,615.40x = 230,303,095,243,587.44
  5. Step 5: Solve for x
    x = 230,303,095,243,587.44/12,774,615.40
  6. Step 6: Final answer
    x = 18,028,182.30

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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.