Home / 15,549,503.80-23,324,255.70-5,453,145.40

Finding the Fourth Proportional to 15,549,503.80, 23,324,255.70 and 5,453,145.40

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Solution

The fourth proportional to 15,549,503.80, 23,324,255.70 and 5,453,145.40 is: 8,179,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549,503.80 : 23,324,255.70 = 5,453,145.40 : x
  2. Step 2: Convert to fraction form
    15,549,503.80/23,324,255.70 = 5,453,145.40/x
  3. Step 3: Cross multiply
    15,549,503.80x = 23,324,255.70 × 5,453,145.40
  4. Step 4: Simplify right side
    15,549,503.80x = 127,190,557,678,878.78
  5. Step 5: Solve for x
    x = 127,190,557,678,878.78/15,549,503.80
  6. Step 6: Final answer
    x = 8,179,718.10

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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.