Home / 12,833,234.70-19,249,852.05-11,982,929.10

Finding the Fourth Proportional to 12,833,234.70, 19,249,852.05 and 11,982,929.10

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Solution

The fourth proportional to 12,833,234.70, 19,249,852.05 and 11,982,929.10 is: 17,974,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833,234.70 : 19,249,852.05 = 11,982,929.10 : x
  2. Step 2: Convert to fraction form
    12,833,234.70/19,249,852.05 = 11,982,929.10/x
  3. Step 3: Cross multiply
    12,833,234.70x = 19,249,852.05 × 11,982,929.10
  4. Step 4: Simplify right side
    12,833,234.70x = 230,669,612,300,639.66
  5. Step 5: Solve for x
    x = 230,669,612,300,639.66/12,833,234.70
  6. Step 6: Final answer
    x = 17,974,393.65

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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.