Home / 15,614,878.88-21,549,206.38-8,645,556.47

Finding the Fourth Proportional to 15,614,878.88, 21,549,206.38 and 8,645,556.47

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Solution

The fourth proportional to 15,614,878.88, 21,549,206.38 and 8,645,556.47 is: 11,931,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614,878.88 : 21,549,206.38 = 8,645,556.47 : x
  2. Step 2: Convert to fraction form
    15,614,878.88/21,549,206.38 = 8,645,556.47/x
  3. Step 3: Cross multiply
    15,614,878.88x = 21,549,206.38 × 8,645,556.47
  4. Step 4: Simplify right side
    15,614,878.88x = 186,304,880,534,228.25
  5. Step 5: Solve for x
    x = 186,304,880,534,228.25/15,614,878.88
  6. Step 6: Final answer
    x = 11,931,240.84

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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.