Home / 19,889,327.70-29,833,991.55-10,307,643.30

Finding the Fourth Proportional to 19,889,327.70, 29,833,991.55 and 10,307,643.30

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Solution

The fourth proportional to 19,889,327.70, 29,833,991.55 and 10,307,643.30 is: 15,461,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889,327.70 : 29,833,991.55 = 10,307,643.30 : x
  2. Step 2: Convert to fraction form
    19,889,327.70/29,833,991.55 = 10,307,643.30/x
  3. Step 3: Cross multiply
    19,889,327.70x = 29,833,991.55 × 10,307,643.30
  4. Step 4: Simplify right side
    19,889,327.70x = 307,518,143,112,614.12
  5. Step 5: Solve for x
    x = 307,518,143,112,614.12/19,889,327.70
  6. Step 6: Final answer
    x = 15,461,464.95

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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.