Home / 22,143,020.40-33,219,779.40-11,361,985.20

Finding the Fourth Proportional to 22,143,020.40, 33,219,779.40 and 11,361,985.20

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Solution

The fourth proportional to 22,143,020.40, 33,219,779.40 and 11,361,985.20 is: 17,045,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,020.40 : 33,219,779.40 = 11,361,985.20 : x
  2. Step 2: Convert to fraction form
    22,143,020.40/33,219,779.40 = 11,361,985.20/x
  3. Step 3: Cross multiply
    22,143,020.40x = 33,219,779.40 × 11,361,985.20
  4. Step 4: Simplify right side
    22,143,020.40x = 377,442,641,890,064.81
  5. Step 5: Solve for x
    x = 377,442,641,890,064.81/22,143,020.40
  6. Step 6: Final answer
    x = 17,045,671.05

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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.