Home / 8,979,556.50-12,392,060.40-4,905,437.94

Finding the Fourth Proportional to 8,979,556.50, 12,392,060.40 and 4,905,437.94

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Solution

The fourth proportional to 8,979,556.50, 12,392,060.40 and 4,905,437.94 is: 6,769,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,556.50 : 12,392,060.40 = 4,905,437.94 : x
  2. Step 2: Convert to fraction form
    8,979,556.50/12,392,060.40 = 4,905,437.94/x
  3. Step 3: Cross multiply
    8,979,556.50x = 12,392,060.40 × 4,905,437.94
  4. Step 4: Simplify right side
    8,979,556.50x = 60,788,483,240,931.59
  5. Step 5: Solve for x
    x = 60,788,483,240,931.59/8,979,556.50
  6. Step 6: Final answer
    x = 6,769,653.18

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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.