Home / 14,688,934.72-20,270,940.84-8,074,135.84

Finding the Fourth Proportional to 14,688,934.72, 20,270,940.84 and 8,074,135.84

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Solution

The fourth proportional to 14,688,934.72, 20,270,940.84 and 8,074,135.84 is: 11,142,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688,934.72 : 20,270,940.84 = 8,074,135.84 : x
  2. Step 2: Convert to fraction form
    14,688,934.72/20,270,940.84 = 8,074,135.84/x
  3. Step 3: Cross multiply
    14,688,934.72x = 20,270,940.84 × 8,074,135.84
  4. Step 4: Simplify right side
    14,688,934.72x = 163,670,329,946,763.69
  5. Step 5: Solve for x
    x = 163,670,329,946,763.69/14,688,934.72
  6. Step 6: Final answer
    x = 11,142,423.40

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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.