Home / 21,881,274.29-30,197,320.86-12,590,256.02

Finding the Fourth Proportional to 21,881,274.29, 30,197,320.86 and 12,590,256.02

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Solution

The fourth proportional to 21,881,274.29, 30,197,320.86 and 12,590,256.02 is: 17,375,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881,274.29 : 30,197,320.86 = 12,590,256.02 : x
  2. Step 2: Convert to fraction form
    21,881,274.29/30,197,320.86 = 12,590,256.02/x
  3. Step 3: Cross multiply
    21,881,274.29x = 30,197,320.86 × 12,590,256.02
  4. Step 4: Simplify right side
    21,881,274.29x = 380,192,000,594,500
  5. Step 5: Solve for x
    x = 380,192,000,594,500/21,881,274.29
  6. Step 6: Final answer
    x = 17,375,222.10

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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.