Home / 14,292,029.20-21,438,043.80-8,245,411.60

Finding the Fourth Proportional to 14,292,029.20, 21,438,043.80 and 8,245,411.60

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Solution

The fourth proportional to 14,292,029.20, 21,438,043.80 and 8,245,411.60 is: 12,368,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292,029.20 : 21,438,043.80 = 8,245,411.60 : x
  2. Step 2: Convert to fraction form
    14,292,029.20/21,438,043.80 = 8,245,411.60/x
  3. Step 3: Cross multiply
    14,292,029.20x = 21,438,043.80 × 8,245,411.60
  4. Step 4: Simplify right side
    14,292,029.20x = 176,765,495,029,828.09
  5. Step 5: Solve for x
    x = 176,765,495,029,828.09/14,292,029.20
  6. Step 6: Final answer
    x = 12,368,117.40

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1.5x scale

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.