Home / 30,903,531.36-46,320,034.53-12,447,663.78

Finding the Fourth Proportional to 30,903,531.36, 46,320,034.53 and 12,447,663.78

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Solution

The fourth proportional to 30,903,531.36, 46,320,034.53 and 12,447,663.78 is: 18,657,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903,531.36 : 46,320,034.53 = 12,447,663.78 : x
  2. Step 2: Convert to fraction form
    30,903,531.36/46,320,034.53 = 12,447,663.78/x
  3. Step 3: Cross multiply
    30,903,531.36x = 46,320,034.53 × 12,447,663.78
  4. Step 4: Simplify right side
    30,903,531.36x = 576,576,216,107,430.25
  5. Step 5: Solve for x
    x = 576,576,216,107,430.25/30,903,531.36
  6. Step 6: Final answer
    x = 18,657,292.25

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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.