Home / 12,249,136.13-18,362,346.37-5,422,069.35

Finding the Fourth Proportional to 12,249,136.13, 18,362,346.37 and 5,422,069.35

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Solution

The fourth proportional to 12,249,136.13, 18,362,346.37 and 5,422,069.35 is: 8,128,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,136.13 : 18,362,346.37 = 5,422,069.35 : x
  2. Step 2: Convert to fraction form
    12,249,136.13/18,362,346.37 = 5,422,069.35/x
  3. Step 3: Cross multiply
    12,249,136.13x = 18,362,346.37 × 5,422,069.35
  4. Step 4: Simplify right side
    12,249,136.13x = 99,561,915,433,305.58
  5. Step 5: Solve for x
    x = 99,561,915,433,305.58/12,249,136.13
  6. Step 6: Final answer
    x = 8,128,076.50

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1.5x scale

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.