Home / 8,083,417.60-12,097,132.80-7,411,571.20

Finding the Fourth Proportional to 8,083,417.60, 12,097,132.80 and 7,411,571.20

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Solution

The fourth proportional to 8,083,417.60, 12,097,132.80 and 7,411,571.20 is: 11,091,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083,417.60 : 12,097,132.80 = 7,411,571.20 : x
  2. Step 2: Convert to fraction form
    8,083,417.60/12,097,132.80 = 7,411,571.20/x
  3. Step 3: Cross multiply
    8,083,417.60x = 12,097,132.80 × 7,411,571.20
  4. Step 4: Simplify right side
    8,083,417.60x = 89,658,761,063,055.38
  5. Step 5: Solve for x
    x = 89,658,761,063,055.38/8,083,417.60
  6. Step 6: Final answer
    x = 11,091,689.86

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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.