Home / 21,987,009.63-30,342,631.73-12,063,889.71

Finding the Fourth Proportional to 21,987,009.63, 30,342,631.73 and 12,063,889.71

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Solution

The fourth proportional to 21,987,009.63, 30,342,631.73 and 12,063,889.71 is: 16,648,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987,009.63 : 30,342,631.73 = 12,063,889.71 : x
  2. Step 2: Convert to fraction form
    21,987,009.63/30,342,631.73 = 12,063,889.71/x
  3. Step 3: Cross multiply
    21,987,009.63x = 30,342,631.73 × 12,063,889.71
  4. Step 4: Simplify right side
    21,987,009.63x = 366,050,162,641,547.12
  5. Step 5: Solve for x
    x = 366,050,162,641,547.12/21,987,009.63
  6. Step 6: Final answer
    x = 16,648,474.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.