Home / 21,806,922.60-32,710,383.90-13,303,866.60

Finding the Fourth Proportional to 21,806,922.60, 32,710,383.90 and 13,303,866.60

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Solution

The fourth proportional to 21,806,922.60, 32,710,383.90 and 13,303,866.60 is: 19,955,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,922.60 : 32,710,383.90 = 13,303,866.60 : x
  2. Step 2: Convert to fraction form
    21,806,922.60/32,710,383.90 = 13,303,866.60/x
  3. Step 3: Cross multiply
    21,806,922.60x = 32,710,383.90 × 13,303,866.60
  4. Step 4: Simplify right side
    21,806,922.60x = 435,174,583,840,387.69
  5. Step 5: Solve for x
    x = 435,174,583,840,387.69/21,806,922.60
  6. Step 6: Final answer
    x = 19,955,799.90

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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.