Home / 43,830,006.40-65,745,009.60-19,895,478.40

Finding the Fourth Proportional to 43,830,006.40, 65,745,009.60 and 19,895,478.40

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Solution

The fourth proportional to 43,830,006.40, 65,745,009.60 and 19,895,478.40 is: 29,843,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,830,006.40 : 65,745,009.60 = 19,895,478.40 : x
  2. Step 2: Convert to fraction form
    43,830,006.40/65,745,009.60 = 19,895,478.40/x
  3. Step 3: Cross multiply
    43,830,006.40x = 65,745,009.60 × 19,895,478.40
  4. Step 4: Simplify right side
    43,830,006.40x = 1,308,028,418,404,592.50
  5. Step 5: Solve for x
    x = 1,308,028,418,404,592.50/43,830,006.40
  6. Step 6: Final answer
    x = 29,843,217.60

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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.