Home / 12,631,828.41-17,430,917.45-7,123,436.37

Finding the Fourth Proportional to 12,631,828.41, 17,430,917.45 and 7,123,436.37

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Solution

The fourth proportional to 12,631,828.41, 17,430,917.45 and 7,123,436.37 is: 9,829,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,828.41 : 17,430,917.45 = 7,123,436.37 : x
  2. Step 2: Convert to fraction form
    12,631,828.41/17,430,917.45 = 7,123,436.37/x
  3. Step 3: Cross multiply
    12,631,828.41x = 17,430,917.45 × 7,123,436.37
  4. Step 4: Simplify right side
    12,631,828.41x = 124,168,031,290,180.48
  5. Step 5: Solve for x
    x = 124,168,031,290,180.48/12,631,828.41
  6. Step 6: Final answer
    x = 9,829,775.01

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1.5x scale

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.