Home / 31,130,600.51-42,960,908.50-17,191,927.21

Finding the Fourth Proportional to 31,130,600.51, 42,960,908.50 and 17,191,927.21

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Solution

The fourth proportional to 31,130,600.51, 42,960,908.50 and 17,191,927.21 is: 23,725,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,130,600.51 : 42,960,908.50 = 17,191,927.21 : x
  2. Step 2: Convert to fraction form
    31,130,600.51/42,960,908.50 = 17,191,927.21/x
  3. Step 3: Cross multiply
    31,130,600.51x = 42,960,908.50 × 17,191,927.21
  4. Step 4: Simplify right side
    31,130,600.51x = 738,580,811,785,911
  5. Step 5: Solve for x
    x = 738,580,811,785,911/31,130,600.51
  6. Step 6: Final answer
    x = 23,725,234.97

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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.