Home / 8,760,890.40-13,141,335.60-6,209,973.60

Finding the Fourth Proportional to 8,760,890.40, 13,141,335.60 and 6,209,973.60

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Solution

The fourth proportional to 8,760,890.40, 13,141,335.60 and 6,209,973.60 is: 9,314,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760,890.40 : 13,141,335.60 = 6,209,973.60 : x
  2. Step 2: Convert to fraction form
    8,760,890.40/13,141,335.60 = 6,209,973.60/x
  3. Step 3: Cross multiply
    8,760,890.40x = 13,141,335.60 × 6,209,973.60
  4. Step 4: Simplify right side
    8,760,890.40x = 81,607,347,144,740.16
  5. Step 5: Solve for x
    x = 81,607,347,144,740.16/8,760,890.40
  6. Step 6: Final answer
    x = 9,314,960.40

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Similar ratio
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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.