Home / 21,829,496.40-32,744,244.60-7,447,784.40

Finding the Fourth Proportional to 21,829,496.40, 32,744,244.60 and 7,447,784.40

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Solution

The fourth proportional to 21,829,496.40, 32,744,244.60 and 7,447,784.40 is: 11,171,676.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829,496.40 : 32,744,244.60 = 7,447,784.40 : x
  2. Step 2: Convert to fraction form
    21,829,496.40/32,744,244.60 = 7,447,784.40/x
  3. Step 3: Cross multiply
    21,829,496.40x = 32,744,244.60 × 7,447,784.40
  4. Step 4: Simplify right side
    21,829,496.40x = 243,872,074,121,664.25
  5. Step 5: Solve for x
    x = 243,872,074,121,664.25/21,829,496.40
  6. Step 6: Final answer
    x = 11,171,676.60

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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.