Home / 30,627,420.80-42,263,936-16,875,615.36

Finding the Fourth Proportional to 30,627,420.80, 42,263,936 and 16,875,615.36

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Solution

The fourth proportional to 30,627,420.80, 42,263,936 and 16,875,615.36 is: 23,287,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627,420.80 : 42,263,936 = 16,875,615.36 : x
  2. Step 2: Convert to fraction form
    30,627,420.80/42,263,936 = 16,875,615.36/x
  3. Step 3: Cross multiply
    30,627,420.80x = 42,263,936 × 16,875,615.36
  4. Step 4: Simplify right side
    30,627,420.80x = 713,229,927,535,656.88
  5. Step 5: Solve for x
    x = 713,229,927,535,656.88/30,627,420.80
  6. Step 6: Final answer
    x = 23,287,299.71

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1.5x scale

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.