Home / 43,830,005.40-65,745,008.10-19,895,477.40

Finding the Fourth Proportional to 43,830,005.40, 65,745,008.10 and 19,895,477.40

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Solution

The fourth proportional to 43,830,005.40, 65,745,008.10 and 19,895,477.40 is: 29,843,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,830,005.40 : 65,745,008.10 = 19,895,477.40 : x
  2. Step 2: Convert to fraction form
    43,830,005.40/65,745,008.10 = 19,895,477.40/x
  3. Step 3: Cross multiply
    43,830,005.40x = 65,745,008.10 × 19,895,477.40
  4. Step 4: Simplify right side
    43,830,005.40x = 1,308,028,322,816,366.75
  5. Step 5: Solve for x
    x = 1,308,028,322,816,366.75/43,830,005.40
  6. Step 6: Final answer
    x = 29,843,216.10

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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.