Home / 29,005,567.20-43,461,111.60-21,352,816.80

Finding the Fourth Proportional to 29,005,567.20, 43,461,111.60 and 21,352,816.80

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Solution

The fourth proportional to 29,005,567.20, 43,461,111.60 and 21,352,816.80 is: 31,994,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005,567.20 : 43,461,111.60 = 21,352,816.80 : x
  2. Step 2: Convert to fraction form
    29,005,567.20/43,461,111.60 = 21,352,816.80/x
  3. Step 3: Cross multiply
    29,005,567.20x = 43,461,111.60 × 21,352,816.80
  4. Step 4: Simplify right side
    29,005,567.20x = 928,017,153,919,155
  5. Step 5: Solve for x
    x = 928,017,153,919,155/29,005,567.20
  6. Step 6: Final answer
    x = 31,994,449.46

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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.