Home / 8,316,111.20-12,473,000.40-2,636,909.60

Finding the Fourth Proportional to 8,316,111.20, 12,473,000.40 and 2,636,909.60

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Solution

The fourth proportional to 8,316,111.20, 12,473,000.40 and 2,636,909.60 is: 3,954,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,111.20 : 12,473,000.40 = 2,636,909.60 : x
  2. Step 2: Convert to fraction form
    8,316,111.20/12,473,000.40 = 2,636,909.60/x
  3. Step 3: Cross multiply
    8,316,111.20x = 12,473,000.40 × 2,636,909.60
  4. Step 4: Simplify right side
    8,316,111.20x = 32,890,174,495,563.84
  5. Step 5: Solve for x
    x = 32,890,174,495,563.84/8,316,111.20
  6. Step 6: Final answer
    x = 3,954,994.55

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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.