Home / 30,356,889.12-41,885,794.44-18,598,641.84

Finding the Fourth Proportional to 30,356,889.12, 41,885,794.44 and 18,598,641.84

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Solution

The fourth proportional to 30,356,889.12, 41,885,794.44 and 18,598,641.84 is: 25,662,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356,889.12 : 41,885,794.44 = 18,598,641.84 : x
  2. Step 2: Convert to fraction form
    30,356,889.12/41,885,794.44 = 18,598,641.84/x
  3. Step 3: Cross multiply
    30,356,889.12x = 41,885,794.44 × 18,598,641.84
  4. Step 4: Simplify right side
    30,356,889.12x = 779,018,888,973,423.38
  5. Step 5: Solve for x
    x = 779,018,888,973,423.38/30,356,889.12
  6. Step 6: Final answer
    x = 25,662,013.19

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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.