Home / 8,086,274.20-12,129,411.30-7,424,925.40

Finding the Fourth Proportional to 8,086,274.20, 12,129,411.30 and 7,424,925.40

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Solution

The fourth proportional to 8,086,274.20, 12,129,411.30 and 7,424,925.40 is: 11,137,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,274.20 : 12,129,411.30 = 7,424,925.40 : x
  2. Step 2: Convert to fraction form
    8,086,274.20/12,129,411.30 = 7,424,925.40/x
  3. Step 3: Cross multiply
    8,086,274.20x = 12,129,411.30 × 7,424,925.40
  4. Step 4: Simplify right side
    8,086,274.20x = 90,059,974,048,417.03
  5. Step 5: Solve for x
    x = 90,059,974,048,417.03/8,086,274.20
  6. Step 6: Final answer
    x = 11,137,388.10

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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.