Home / 22,571,017.92-31,157,536.48-15,238,783.52

Finding the Fourth Proportional to 22,571,017.92, 31,157,536.48 and 15,238,783.52

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Solution

The fourth proportional to 22,571,017.92, 31,157,536.48 and 15,238,783.52 is: 21,035,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571,017.92 : 31,157,536.48 = 15,238,783.52 : x
  2. Step 2: Convert to fraction form
    22,571,017.92/31,157,536.48 = 15,238,783.52/x
  3. Step 3: Cross multiply
    22,571,017.92x = 31,157,536.48 × 15,238,783.52
  4. Step 4: Simplify right side
    22,571,017.92x = 474,802,953,435,222.81
  5. Step 5: Solve for x
    x = 474,802,953,435,222.81/22,571,017.92
  6. Step 6: Final answer
    x = 21,035,956.60

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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.