Home / 19,938,254.40-29,907,381.60-6,476,443.20

Finding the Fourth Proportional to 19,938,254.40, 29,907,381.60 and 6,476,443.20

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Solution

The fourth proportional to 19,938,254.40, 29,907,381.60 and 6,476,443.20 is: 9,714,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,254.40 : 29,907,381.60 = 6,476,443.20 : x
  2. Step 2: Convert to fraction form
    19,938,254.40/29,907,381.60 = 6,476,443.20/x
  3. Step 3: Cross multiply
    19,938,254.40x = 29,907,381.60 × 6,476,443.20
  4. Step 4: Simplify right side
    19,938,254.40x = 193,693,458,193,125.12
  5. Step 5: Solve for x
    x = 193,693,458,193,125.12/19,938,254.40
  6. Step 6: Final answer
    x = 9,714,664.80

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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.