Home / 15,585,615.69-21,509,104.68-8,710,646.73

Finding the Fourth Proportional to 15,585,615.69, 21,509,104.68 and 8,710,646.73

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Solution

The fourth proportional to 15,585,615.69, 21,509,104.68 and 8,710,646.73 is: 12,021,226.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,615.69 : 21,509,104.68 = 8,710,646.73 : x
  2. Step 2: Convert to fraction form
    15,585,615.69/21,509,104.68 = 8,710,646.73/x
  3. Step 3: Cross multiply
    15,585,615.69x = 21,509,104.68 × 8,710,646.73
  4. Step 4: Simplify right side
    15,585,615.69x = 187,358,212,346,069.72
  5. Step 5: Solve for x
    x = 187,358,212,346,069.72/15,585,615.69
  6. Step 6: Final answer
    x = 12,021,226.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.