Home / 30,289,301.70-45,449,698.95-13,251,696.90

Finding the Fourth Proportional to 30,289,301.70, 45,449,698.95 and 13,251,696.90

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Solution

The fourth proportional to 30,289,301.70, 45,449,698.95 and 13,251,696.90 is: 19,884,434.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289,301.70 : 45,449,698.95 = 13,251,696.90 : x
  2. Step 2: Convert to fraction form
    30,289,301.70/45,449,698.95 = 13,251,696.90/x
  3. Step 3: Cross multiply
    30,289,301.70x = 45,449,698.95 × 13,251,696.90
  4. Step 4: Simplify right side
    30,289,301.70x = 602,285,634,681,648.25
  5. Step 5: Solve for x
    x = 602,285,634,681,648.25/30,289,301.70
  6. Step 6: Final answer
    x = 19,884,434.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.