Home / 38,703,903.84-58,042,022.76-12,791,409.30

Finding the Fourth Proportional to 38,703,903.84, 58,042,022.76 and 12,791,409.30

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Solution

The fourth proportional to 38,703,903.84, 58,042,022.76 and 12,791,409.30 is: 19,182,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,703,903.84 : 58,042,022.76 = 12,791,409.30 : x
  2. Step 2: Convert to fraction form
    38,703,903.84/58,042,022.76 = 12,791,409.30/x
  3. Step 3: Cross multiply
    38,703,903.84x = 58,042,022.76 × 12,791,409.30
  4. Step 4: Simplify right side
    38,703,903.84x = 742,439,269,723,075.62
  5. Step 5: Solve for x
    x = 742,439,269,723,075.62/38,703,903.84
  6. Step 6: Final answer
    x = 19,182,542.23

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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.