Home / 16,313,479.40-22,513,179.74-8,971,880.34

Finding the Fourth Proportional to 16,313,479.40, 22,513,179.74 and 8,971,880.34

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Solution

The fourth proportional to 16,313,479.40, 22,513,179.74 and 8,971,880.34 is: 12,381,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,313,479.40 : 22,513,179.74 = 8,971,880.34 : x
  2. Step 2: Convert to fraction form
    16,313,479.40/22,513,179.74 = 8,971,880.34/x
  3. Step 3: Cross multiply
    16,313,479.40x = 22,513,179.74 × 8,971,880.34
  4. Step 4: Simplify right side
    16,313,479.40x = 201,985,554,655,332.91
  5. Step 5: Solve for x
    x = 201,985,554,655,332.91/16,313,479.40
  6. Step 6: Final answer
    x = 12,381,512.84

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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.