Home / 18,043,055.70-27,064,583.55-12,303,492.90

Finding the Fourth Proportional to 18,043,055.70, 27,064,583.55 and 12,303,492.90

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Solution

The fourth proportional to 18,043,055.70, 27,064,583.55 and 12,303,492.90 is: 18,455,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043,055.70 : 27,064,583.55 = 12,303,492.90 : x
  2. Step 2: Convert to fraction form
    18,043,055.70/27,064,583.55 = 12,303,492.90/x
  3. Step 3: Cross multiply
    18,043,055.70x = 27,064,583.55 × 12,303,492.90
  4. Step 4: Simplify right side
    18,043,055.70x = 332,988,911,548,881.81
  5. Step 5: Solve for x
    x = 332,988,911,548,881.81/18,043,055.70
  6. Step 6: Final answer
    x = 18,455,239.35

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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.