Home / 23,091,291.24-31,865,505.06-12,778,007.40

Finding the Fourth Proportional to 23,091,291.24, 31,865,505.06 and 12,778,007.40

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Solution

The fourth proportional to 23,091,291.24, 31,865,505.06 and 12,778,007.40 is: 17,633,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,091,291.24 : 31,865,505.06 = 12,778,007.40 : x
  2. Step 2: Convert to fraction form
    23,091,291.24/31,865,505.06 = 12,778,007.40/x
  3. Step 3: Cross multiply
    23,091,291.24x = 31,865,505.06 × 12,778,007.40
  4. Step 4: Simplify right side
    23,091,291.24x = 407,177,659,461,417.44
  5. Step 5: Solve for x
    x = 407,177,659,461,417.44/23,091,291.24
  6. Step 6: Final answer
    x = 17,633,386.34

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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.