Home / 8,310,001.60-12,436,644.30-6,963,684.40

Finding the Fourth Proportional to 8,310,001.60, 12,436,644.30 and 6,963,684.40

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Solution

The fourth proportional to 8,310,001.60, 12,436,644.30 and 6,963,684.40 is: 10,421,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310,001.60 : 12,436,644.30 = 6,963,684.40 : x
  2. Step 2: Convert to fraction form
    8,310,001.60/12,436,644.30 = 6,963,684.40/x
  3. Step 3: Cross multiply
    8,310,001.60x = 12,436,644.30 × 6,963,684.40
  4. Step 4: Simplify right side
    8,310,001.60x = 86,604,865,900,258.94
  5. Step 5: Solve for x
    x = 86,604,865,900,258.94/8,310,001.60
  6. Step 6: Final answer
    x = 10,421,762.84

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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.