Home / 10,889,222.60-16,333,833.90-7,488,000.20

Finding the Fourth Proportional to 10,889,222.60, 16,333,833.90 and 7,488,000.20

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Solution

The fourth proportional to 10,889,222.60, 16,333,833.90 and 7,488,000.20 is: 11,232,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889,222.60 : 16,333,833.90 = 7,488,000.20 : x
  2. Step 2: Convert to fraction form
    10,889,222.60/16,333,833.90 = 7,488,000.20/x
  3. Step 3: Cross multiply
    10,889,222.60x = 16,333,833.90 × 7,488,000.20
  4. Step 4: Simplify right side
    10,889,222.60x = 122,307,751,509,966.78
  5. Step 5: Solve for x
    x = 122,307,751,509,966.78/10,889,222.60
  6. Step 6: Final answer
    x = 11,232,000.30

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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.