Home / 28,453,095.81-42,679,672.88-13,317,656.13

Finding the Fourth Proportional to 28,453,095.81, 42,679,672.88 and 13,317,656.13

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Solution

The fourth proportional to 28,453,095.81, 42,679,672.88 and 13,317,656.13 is: 19,976,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453,095.81 : 42,679,672.88 = 13,317,656.13 : x
  2. Step 2: Convert to fraction form
    28,453,095.81/42,679,672.88 = 13,317,656.13/x
  3. Step 3: Cross multiply
    28,453,095.81x = 42,679,672.88 × 13,317,656.13
  4. Step 4: Simplify right side
    28,453,095.81x = 568,393,207,090,138.50
  5. Step 5: Solve for x
    x = 568,393,207,090,138.50/28,453,095.81
  6. Step 6: Final answer
    x = 19,976,497.84

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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.