Home / 12,293,125.20-18,439,687.80-8,046,392.40

Finding the Fourth Proportional to 12,293,125.20, 18,439,687.80 and 8,046,392.40

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Solution

The fourth proportional to 12,293,125.20, 18,439,687.80 and 8,046,392.40 is: 12,069,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,125.20 : 18,439,687.80 = 8,046,392.40 : x
  2. Step 2: Convert to fraction form
    12,293,125.20/18,439,687.80 = 8,046,392.40/x
  3. Step 3: Cross multiply
    12,293,125.20x = 18,439,687.80 × 8,046,392.40
  4. Step 4: Simplify right side
    12,293,125.20x = 148,372,963,772,292.72
  5. Step 5: Solve for x
    x = 148,372,963,772,292.72/12,293,125.20
  6. Step 6: Final answer
    x = 12,069,588.60

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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.