Home / 28,090,798.92-42,136,198.40-7,896,040.92

Finding the Fourth Proportional to 28,090,798.92, 42,136,198.40 and 7,896,040.92

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Solution

The fourth proportional to 28,090,798.92, 42,136,198.40 and 7,896,040.92 is: 11,844,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090,798.92 : 42,136,198.40 = 7,896,040.92 : x
  2. Step 2: Convert to fraction form
    28,090,798.92/42,136,198.40 = 7,896,040.92/x
  3. Step 3: Cross multiply
    28,090,798.92x = 42,136,198.40 × 7,896,040.92
  4. Step 4: Simplify right side
    28,090,798.92x = 332,709,146,779,638.50
  5. Step 5: Solve for x
    x = 332,709,146,779,638.50/28,090,798.92
  6. Step 6: Final answer
    x = 11,844,061.39

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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.