Home / 21,852,546.40-32,803,702.80-12,882,152.80

Finding the Fourth Proportional to 21,852,546.40, 32,803,702.80 and 12,882,152.80

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Solution

The fourth proportional to 21,852,546.40, 32,803,702.80 and 12,882,152.80 is: 19,337,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852,546.40 : 32,803,702.80 = 12,882,152.80 : x
  2. Step 2: Convert to fraction form
    21,852,546.40/32,803,702.80 = 12,882,152.80/x
  3. Step 3: Cross multiply
    21,852,546.40x = 32,803,702.80 × 12,882,152.80
  4. Step 4: Simplify right side
    21,852,546.40x = 422,582,311,875,387.88
  5. Step 5: Solve for x
    x = 422,582,311,875,387.88/21,852,546.40
  6. Step 6: Final answer
    x = 19,337,897.93

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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.