Home / 28,779,818.10-43,113,739.95-17,386,422.90

Finding the Fourth Proportional to 28,779,818.10, 43,113,739.95 and 17,386,422.90

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Solution

The fourth proportional to 28,779,818.10, 43,113,739.95 and 17,386,422.90 is: 26,045,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,818.10 : 43,113,739.95 = 17,386,422.90 : x
  2. Step 2: Convert to fraction form
    28,779,818.10/43,113,739.95 = 17,386,422.90/x
  3. Step 3: Cross multiply
    28,779,818.10x = 43,113,739.95 × 17,386,422.90
  4. Step 4: Simplify right side
    28,779,818.10x = 749,593,715,571,324.88
  5. Step 5: Solve for x
    x = 749,593,715,571,324.88/28,779,818.10
  6. Step 6: Final answer
    x = 26,045,811.44

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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.