Home / 12,292,293.20-18,438,439.80-3,316,830.80

Finding the Fourth Proportional to 12,292,293.20, 18,438,439.80 and 3,316,830.80

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Solution

The fourth proportional to 12,292,293.20, 18,438,439.80 and 3,316,830.80 is: 4,975,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,293.20 : 18,438,439.80 = 3,316,830.80 : x
  2. Step 2: Convert to fraction form
    12,292,293.20/18,438,439.80 = 3,316,830.80/x
  3. Step 3: Cross multiply
    12,292,293.20x = 18,438,439.80 × 3,316,830.80
  4. Step 4: Simplify right side
    12,292,293.20x = 61,157,185,032,585.84
  5. Step 5: Solve for x
    x = 61,157,185,032,585.84/12,292,293.20
  6. Step 6: Final answer
    x = 4,975,246.20

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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.