Home / 14,487,206.20-21,730,809.30-12,148,865.80

Finding the Fourth Proportional to 14,487,206.20, 21,730,809.30 and 12,148,865.80

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Solution

The fourth proportional to 14,487,206.20, 21,730,809.30 and 12,148,865.80 is: 18,223,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,206.20 : 21,730,809.30 = 12,148,865.80 : x
  2. Step 2: Convert to fraction form
    14,487,206.20/21,730,809.30 = 12,148,865.80/x
  3. Step 3: Cross multiply
    14,487,206.20x = 21,730,809.30 × 12,148,865.80
  4. Step 4: Simplify right side
    14,487,206.20x = 264,004,685,911,091.97
  5. Step 5: Solve for x
    x = 264,004,685,911,091.97/14,487,206.20
  6. Step 6: Final answer
    x = 18,223,298.70

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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.