Home / 13,480,278.40-20,220,417.60-10,456,969.60

Finding the Fourth Proportional to 13,480,278.40, 20,220,417.60 and 10,456,969.60

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Solution

The fourth proportional to 13,480,278.40, 20,220,417.60 and 10,456,969.60 is: 15,685,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,278.40 : 20,220,417.60 = 10,456,969.60 : x
  2. Step 2: Convert to fraction form
    13,480,278.40/20,220,417.60 = 10,456,969.60/x
  3. Step 3: Cross multiply
    13,480,278.40x = 20,220,417.60 × 10,456,969.60
  4. Step 4: Simplify right side
    13,480,278.40x = 211,444,292,142,504.97
  5. Step 5: Solve for x
    x = 211,444,292,142,504.97/13,480,278.40
  6. Step 6: Final answer
    x = 15,685,454.40

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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.