Home / 28,779,815.10-43,113,735.45-17,386,419.90

Finding the Fourth Proportional to 28,779,815.10, 43,113,735.45 and 17,386,419.90

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Solution

The fourth proportional to 28,779,815.10, 43,113,735.45 and 17,386,419.90 is: 26,045,806.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,815.10 : 43,113,735.45 = 17,386,419.90 : x
  2. Step 2: Convert to fraction form
    28,779,815.10/43,113,735.45 = 17,386,419.90/x
  3. Step 3: Cross multiply
    28,779,815.10x = 43,113,735.45 × 17,386,419.90
  4. Step 4: Simplify right side
    28,779,815.10x = 749,593,507,991,215.50
  5. Step 5: Solve for x
    x = 749,593,507,991,215.50/28,779,815.10
  6. Step 6: Final answer
    x = 26,045,806.94

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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.