Home / 28,739,237.10-43,108,855.65-18,535,569.90

Finding the Fourth Proportional to 28,739,237.10, 43,108,855.65 and 18,535,569.90

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Solution

The fourth proportional to 28,739,237.10, 43,108,855.65 and 18,535,569.90 is: 27,803,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739,237.10 : 43,108,855.65 = 18,535,569.90 : x
  2. Step 2: Convert to fraction form
    28,739,237.10/43,108,855.65 = 18,535,569.90/x
  3. Step 3: Cross multiply
    28,739,237.10x = 43,108,855.65 × 18,535,569.90
  4. Step 4: Simplify right side
    28,739,237.10x = 799,047,207,209,584.88
  5. Step 5: Solve for x
    x = 799,047,207,209,584.88/28,739,237.10
  6. Step 6: Final answer
    x = 27,803,354.85

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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.