Home / 12,461,511.20-18,711,512.40-6,792,807.20

Finding the Fourth Proportional to 12,461,511.20, 18,711,512.40 and 6,792,807.20

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Solution

The fourth proportional to 12,461,511.20, 18,711,512.40 and 6,792,807.20 is: 10,199,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,511.20 : 18,711,512.40 = 6,792,807.20 : x
  2. Step 2: Convert to fraction form
    12,461,511.20/18,711,512.40 = 6,792,807.20/x
  3. Step 3: Cross multiply
    12,461,511.20x = 18,711,512.40 × 6,792,807.20
  4. Step 4: Simplify right side
    12,461,511.20x = 127,103,696,153,609.27
  5. Step 5: Solve for x
    x = 127,103,696,153,609.27/12,461,511.20
  6. Step 6: Final answer
    x = 10,199,701.63

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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.