Home / 5,328,128.40-7,992,192.60-3,636,070.80

Finding the Fourth Proportional to 5,328,128.40, 7,992,192.60 and 3,636,070.80

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Solution

The fourth proportional to 5,328,128.40, 7,992,192.60 and 3,636,070.80 is: 5,454,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,128.40 : 7,992,192.60 = 3,636,070.80 : x
  2. Step 2: Convert to fraction form
    5,328,128.40/7,992,192.60 = 3,636,070.80/x
  3. Step 3: Cross multiply
    5,328,128.40x = 7,992,192.60 × 3,636,070.80
  4. Step 4: Simplify right side
    5,328,128.40x = 29,060,178,140,836.08
  5. Step 5: Solve for x
    x = 29,060,178,140,836.08/5,328,128.40
  6. Step 6: Final answer
    x = 5,454,106.20

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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.