Home / 28,296,416.10-42,444,624.15-12,943,676.10

Finding the Fourth Proportional to 28,296,416.10, 42,444,624.15 and 12,943,676.10

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Solution

The fourth proportional to 28,296,416.10, 42,444,624.15 and 12,943,676.10 is: 19,415,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296,416.10 : 42,444,624.15 = 12,943,676.10 : x
  2. Step 2: Convert to fraction form
    28,296,416.10/42,444,624.15 = 12,943,676.10/x
  3. Step 3: Cross multiply
    28,296,416.10x = 42,444,624.15 × 12,943,676.10
  4. Step 4: Simplify right side
    28,296,416.10x = 549,389,467,183,837.75
  5. Step 5: Solve for x
    x = 549,389,467,183,837.75/28,296,416.10
  6. Step 6: Final answer
    x = 19,415,514.15

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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.