Home / 15,704,328.42-21,672,006.93-8,828,866.98

Finding the Fourth Proportional to 15,704,328.42, 21,672,006.93 and 8,828,866.98

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Solution

The fourth proportional to 15,704,328.42, 21,672,006.93 and 8,828,866.98 is: 12,183,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704,328.42 : 21,672,006.93 = 8,828,866.98 : x
  2. Step 2: Convert to fraction form
    15,704,328.42/21,672,006.93 = 8,828,866.98/x
  3. Step 3: Cross multiply
    15,704,328.42x = 21,672,006.93 × 8,828,866.98
  4. Step 4: Simplify right side
    15,704,328.42x = 191,339,266,374,608.19
  5. Step 5: Solve for x
    x = 191,339,266,374,608.19/15,704,328.42
  6. Step 6: Final answer
    x = 12,183,855.38

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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.