Home / 19,938,784.40-29,908,176.60-6,476,973.20

Finding the Fourth Proportional to 19,938,784.40, 29,908,176.60 and 6,476,973.20

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Solution

The fourth proportional to 19,938,784.40, 29,908,176.60 and 6,476,973.20 is: 9,715,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,784.40 : 29,908,176.60 = 6,476,973.20 : x
  2. Step 2: Convert to fraction form
    19,938,784.40/29,908,176.60 = 6,476,973.20/x
  3. Step 3: Cross multiply
    19,938,784.40x = 29,908,176.60 × 6,476,973.20
  4. Step 4: Simplify right side
    19,938,784.40x = 193,714,458,299,067.12
  5. Step 5: Solve for x
    x = 193,714,458,299,067.12/19,938,784.40
  6. Step 6: Final answer
    x = 9,715,459.80

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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.