Home / 14,370,718.80-21,556,078.20-13,331,456.40

Finding the Fourth Proportional to 14,370,718.80, 21,556,078.20 and 13,331,456.40

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Solution

The fourth proportional to 14,370,718.80, 21,556,078.20 and 13,331,456.40 is: 19,997,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370,718.80 : 21,556,078.20 = 13,331,456.40 : x
  2. Step 2: Convert to fraction form
    14,370,718.80/21,556,078.20 = 13,331,456.40/x
  3. Step 3: Cross multiply
    14,370,718.80x = 21,556,078.20 × 13,331,456.40
  4. Step 4: Simplify right side
    14,370,718.80x = 287,373,916,678,290.50
  5. Step 5: Solve for x
    x = 287,373,916,678,290.50/14,370,718.80
  6. Step 6: Final answer
    x = 19,997,184.60

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1.5x scale

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.