Home / 8,424,005.20-12,636,007.80-2,744,803.60

Finding the Fourth Proportional to 8,424,005.20, 12,636,007.80 and 2,744,803.60

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Solution

The fourth proportional to 8,424,005.20, 12,636,007.80 and 2,744,803.60 is: 4,117,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,005.20 : 12,636,007.80 = 2,744,803.60 : x
  2. Step 2: Convert to fraction form
    8,424,005.20/12,636,007.80 = 2,744,803.60/x
  3. Step 3: Cross multiply
    8,424,005.20x = 12,636,007.80 × 2,744,803.60
  4. Step 4: Simplify right side
    8,424,005.20x = 34,683,359,699,068.08
  5. Step 5: Solve for x
    x = 34,683,359,699,068.08/8,424,005.20
  6. Step 6: Final answer
    x = 4,117,205.40

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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.