Home / 15,614,880.26-21,549,208.28-8,645,557.85

Finding the Fourth Proportional to 15,614,880.26, 21,549,208.28 and 8,645,557.85

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Solution

The fourth proportional to 15,614,880.26, 21,549,208.28 and 8,645,557.85 is: 11,931,242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614,880.26 : 21,549,208.28 = 8,645,557.85 : x
  2. Step 2: Convert to fraction form
    15,614,880.26/21,549,208.28 = 8,645,557.85/x
  3. Step 3: Cross multiply
    15,614,880.26x = 21,549,208.28 × 8,645,557.85
  4. Step 4: Simplify right side
    15,614,880.26x = 186,304,926,655,465.16
  5. Step 5: Solve for x
    x = 186,304,926,655,465.16/15,614,880.26
  6. Step 6: Final answer
    x = 11,931,242.74

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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.