Home / 19,936,478.40-29,918,714.40-8,585,073.60

Finding the Fourth Proportional to 19,936,478.40, 29,918,714.40 and 8,585,073.60

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Solution

The fourth proportional to 19,936,478.40, 29,918,714.40 and 8,585,073.60 is: 12,883,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936,478.40 : 29,918,714.40 = 8,585,073.60 : x
  2. Step 2: Convert to fraction form
    19,936,478.40/29,918,714.40 = 8,585,073.60/x
  3. Step 3: Cross multiply
    19,936,478.40x = 29,918,714.40 × 8,585,073.60
  4. Step 4: Simplify right side
    19,936,478.40x = 256,854,365,141,379.81
  5. Step 5: Solve for x
    x = 256,854,365,141,379.81/19,936,478.40
  6. Step 6: Final answer
    x = 12,883,637.72

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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.