Home / 21,899,615.64-30,221,665.32-12,110,718.40

Finding the Fourth Proportional to 21,899,615.64, 30,221,665.32 and 12,110,718.40

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Solution

The fourth proportional to 21,899,615.64, 30,221,665.32 and 12,110,718.40 is: 16,712,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899,615.64 : 30,221,665.32 = 12,110,718.40 : x
  2. Step 2: Convert to fraction form
    21,899,615.64/30,221,665.32 = 12,110,718.40/x
  3. Step 3: Cross multiply
    21,899,615.64x = 30,221,665.32 × 12,110,718.40
  4. Step 4: Simplify right side
    21,899,615.64x = 366,006,078,269,565.88
  5. Step 5: Solve for x
    x = 366,006,078,269,565.88/21,899,615.64
  6. Step 6: Final answer
    x = 16,712,899.64

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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.