Home / 12,798,273.36-17,662,711.56-7,293,331.92

Finding the Fourth Proportional to 12,798,273.36, 17,662,711.56 and 7,293,331.92

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Solution

The fourth proportional to 12,798,273.36, 17,662,711.56 and 7,293,331.92 is: 10,065,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798,273.36 : 17,662,711.56 = 7,293,331.92 : x
  2. Step 2: Convert to fraction form
    12,798,273.36/17,662,711.56 = 7,293,331.92/x
  3. Step 3: Cross multiply
    12,798,273.36x = 17,662,711.56 × 7,293,331.92
  4. Step 4: Simplify right side
    12,798,273.36x = 128,820,018,014,300.98
  5. Step 5: Solve for x
    x = 128,820,018,014,300.98/12,798,273.36
  6. Step 6: Final answer
    x = 10,065,421.67

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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.