Home / 30,846,974.71-42,567,911.76-16,908,031.80

Finding the Fourth Proportional to 30,846,974.71, 42,567,911.76 and 16,908,031.80

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Solution

The fourth proportional to 30,846,974.71, 42,567,911.76 and 16,908,031.80 is: 23,332,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,846,974.71 : 42,567,911.76 = 16,908,031.80 : x
  2. Step 2: Convert to fraction form
    30,846,974.71/42,567,911.76 = 16,908,031.80/x
  3. Step 3: Cross multiply
    30,846,974.71x = 42,567,911.76 × 16,908,031.80
  4. Step 4: Simplify right side
    30,846,974.71x = 719,739,605,400,294.38
  5. Step 5: Solve for x
    x = 719,739,605,400,294.38/30,846,974.71
  6. Step 6: Final answer
    x = 23,332,583.25

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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.