Home / 10,928,547.40-16,392,821.10-5,553,776.20

Finding the Fourth Proportional to 10,928,547.40, 16,392,821.10 and 5,553,776.20

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Solution

The fourth proportional to 10,928,547.40, 16,392,821.10 and 5,553,776.20 is: 8,330,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928,547.40 : 16,392,821.10 = 5,553,776.20 : x
  2. Step 2: Convert to fraction form
    10,928,547.40/16,392,821.10 = 5,553,776.20/x
  3. Step 3: Cross multiply
    10,928,547.40x = 16,392,821.10 × 5,553,776.20
  4. Step 4: Simplify right side
    10,928,547.40x = 91,042,059,676,037.83
  5. Step 5: Solve for x
    x = 91,042,059,676,037.83/10,928,547.40
  6. Step 6: Final answer
    x = 8,330,664.30

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Double scale
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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.