Home / 30,238,366.71-45,357,730.49-7,519,263.96

Finding the Fourth Proportional to 30,238,366.71, 45,357,730.49 and 7,519,263.96

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Solution

The fourth proportional to 30,238,366.71, 45,357,730.49 and 7,519,263.96 is: 11,278,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238,366.71 : 45,357,730.49 = 7,519,263.96 : x
  2. Step 2: Convert to fraction form
    30,238,366.71/45,357,730.49 = 7,519,263.96/x
  3. Step 3: Cross multiply
    30,238,366.71x = 45,357,730.49 × 7,519,263.96
  4. Step 4: Simplify right side
    30,238,366.71x = 341,056,748,180,850.12
  5. Step 5: Solve for x
    x = 341,056,748,180,850.12/30,238,366.71
  6. Step 6: Final answer
    x = 11,278,940.81

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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.