Home / 12,456,060.40-18,684,090.60-3,480,612.40

Finding the Fourth Proportional to 12,456,060.40, 18,684,090.60 and 3,480,612.40

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Solution

The fourth proportional to 12,456,060.40, 18,684,090.60 and 3,480,612.40 is: 5,220,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,060.40 : 18,684,090.60 = 3,480,612.40 : x
  2. Step 2: Convert to fraction form
    12,456,060.40/18,684,090.60 = 3,480,612.40/x
  3. Step 3: Cross multiply
    12,456,060.40x = 18,684,090.60 × 3,480,612.40
  4. Step 4: Simplify right side
    12,456,060.40x = 65,032,077,425,083.45
  5. Step 5: Solve for x
    x = 65,032,077,425,083.45/12,456,060.40
  6. Step 6: Final answer
    x = 5,220,918.60

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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.