Home / 18,756,222.72-28,130,397.44-5,289,901.44

Finding the Fourth Proportional to 18,756,222.72, 28,130,397.44 and 5,289,901.44

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Solution

The fourth proportional to 18,756,222.72, 28,130,397.44 and 5,289,901.44 is: 7,933,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756,222.72 : 28,130,397.44 = 5,289,901.44 : x
  2. Step 2: Convert to fraction form
    18,756,222.72/28,130,397.44 = 5,289,901.44/x
  3. Step 3: Cross multiply
    18,756,222.72x = 28,130,397.44 × 5,289,901.44
  4. Step 4: Simplify right side
    18,756,222.72x = 148,807,029,925,628.34
  5. Step 5: Solve for x
    x = 148,807,029,925,628.34/18,756,222.72
  6. Step 6: Final answer
    x = 7,933,741.89

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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.