Home / 8,487,394.84-12,730,967.52-2,097,647.74

Finding the Fourth Proportional to 8,487,394.84, 12,730,967.52 and 2,097,647.74

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Solution

The fourth proportional to 8,487,394.84, 12,730,967.52 and 2,097,647.74 is: 3,146,440.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,394.84 : 12,730,967.52 = 2,097,647.74 : x
  2. Step 2: Convert to fraction form
    8,487,394.84/12,730,967.52 = 2,097,647.74/x
  3. Step 3: Cross multiply
    8,487,394.84x = 12,730,967.52 × 2,097,647.74
  4. Step 4: Simplify right side
    8,487,394.84x = 26,705,085,246,341.41
  5. Step 5: Solve for x
    x = 26,705,085,246,341.41/8,487,394.84
  6. Step 6: Final answer
    x = 3,146,440.78

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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.