Home / 19,248,779.68-28,873,169.52-6,469,284.40

Finding the Fourth Proportional to 19,248,779.68, 28,873,169.52 and 6,469,284.40

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Solution

The fourth proportional to 19,248,779.68, 28,873,169.52 and 6,469,284.40 is: 9,703,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248,779.68 : 28,873,169.52 = 6,469,284.40 : x
  2. Step 2: Convert to fraction form
    19,248,779.68/28,873,169.52 = 6,469,284.40/x
  3. Step 3: Cross multiply
    19,248,779.68x = 28,873,169.52 × 6,469,284.40
  4. Step 4: Simplify right side
    19,248,779.68x = 186,788,745,154,291.50
  5. Step 5: Solve for x
    x = 186,788,745,154,291.50/19,248,779.68
  6. Step 6: Final answer
    x = 9,703,926.60

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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.