Home / 10,501,344.80-15,752,017.20-2,928,298.40

Finding the Fourth Proportional to 10,501,344.80, 15,752,017.20 and 2,928,298.40

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Solution

The fourth proportional to 10,501,344.80, 15,752,017.20 and 2,928,298.40 is: 4,392,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501,344.80 : 15,752,017.20 = 2,928,298.40 : x
  2. Step 2: Convert to fraction form
    10,501,344.80/15,752,017.20 = 2,928,298.40/x
  3. Step 3: Cross multiply
    10,501,344.80x = 15,752,017.20 × 2,928,298.40
  4. Step 4: Simplify right side
    10,501,344.80x = 46,126,606,763,532.48
  5. Step 5: Solve for x
    x = 46,126,606,763,532.48/10,501,344.80
  6. Step 6: Final answer
    x = 4,392,447.60

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Similar ratio
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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.