Home / 8,806,543.65-13,209,815.48-8,168,814.45

Finding the Fourth Proportional to 8,806,543.65, 13,209,815.48 and 8,168,814.45

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Solution

The fourth proportional to 8,806,543.65, 13,209,815.48 and 8,168,814.45 is: 12,253,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,543.65 : 13,209,815.48 = 8,168,814.45 : x
  2. Step 2: Convert to fraction form
    8,806,543.65/13,209,815.48 = 8,168,814.45/x
  3. Step 3: Cross multiply
    8,806,543.65x = 13,209,815.48 × 8,168,814.45
  4. Step 4: Simplify right side
    8,806,543.65x = 107,908,531,534,013.61
  5. Step 5: Solve for x
    x = 107,908,531,534,013.61/8,806,543.65
  6. Step 6: Final answer
    x = 12,253,221.68

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Double scale
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Similar ratio
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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.