Home / 10,692,005.10-16,038,007.65-7,290,782.70

Finding the Fourth Proportional to 10,692,005.10, 16,038,007.65 and 7,290,782.70

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Solution

The fourth proportional to 10,692,005.10, 16,038,007.65 and 7,290,782.70 is: 10,936,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692,005.10 : 16,038,007.65 = 7,290,782.70 : x
  2. Step 2: Convert to fraction form
    10,692,005.10/16,038,007.65 = 7,290,782.70/x
  3. Step 3: Cross multiply
    10,692,005.10x = 16,038,007.65 × 7,290,782.70
  4. Step 4: Simplify right side
    10,692,005.10x = 116,929,628,717,087.66
  5. Step 5: Solve for x
    x = 116,929,628,717,087.66/10,692,005.10
  6. Step 6: Final answer
    x = 10,936,174.05

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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.