Home / 9,936,030.40-14,904,045.60-8,140,940.80

Finding the Fourth Proportional to 9,936,030.40, 14,904,045.60 and 8,140,940.80

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Solution

The fourth proportional to 9,936,030.40, 14,904,045.60 and 8,140,940.80 is: 12,211,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936,030.40 : 14,904,045.60 = 8,140,940.80 : x
  2. Step 2: Convert to fraction form
    9,936,030.40/14,904,045.60 = 8,140,940.80/x
  3. Step 3: Cross multiply
    9,936,030.40x = 14,904,045.60 × 8,140,940.80
  4. Step 4: Simplify right side
    9,936,030.40x = 121,332,952,910,100.47
  5. Step 5: Solve for x
    x = 121,332,952,910,100.47/9,936,030.40
  6. Step 6: Final answer
    x = 12,211,411.20

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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.