Home / 13,248,000.70-19,872,001.05-9,216,922.30

Finding the Fourth Proportional to 13,248,000.70, 19,872,001.05 and 9,216,922.30

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Solution

The fourth proportional to 13,248,000.70, 19,872,001.05 and 9,216,922.30 is: 13,825,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,000.70 : 19,872,001.05 = 9,216,922.30 : x
  2. Step 2: Convert to fraction form
    13,248,000.70/19,872,001.05 = 9,216,922.30/x
  3. Step 3: Cross multiply
    13,248,000.70x = 19,872,001.05 × 9,216,922.30
  4. Step 4: Simplify right side
    13,248,000.70x = 183,158,689,623,368.44
  5. Step 5: Solve for x
    x = 183,158,689,623,368.44/13,248,000.70
  6. Step 6: Final answer
    x = 13,825,383.45

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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.