Home / 19,681,938.75-29,519,543.07-5,301,643.44

Finding the Fourth Proportional to 19,681,938.75, 29,519,543.07 and 5,301,643.44

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Solution

The fourth proportional to 19,681,938.75, 29,519,543.07 and 5,301,643.44 is: 7,951,558.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,938.75 : 29,519,543.07 = 5,301,643.44 : x
  2. Step 2: Convert to fraction form
    19,681,938.75/29,519,543.07 = 5,301,643.44/x
  3. Step 3: Cross multiply
    19,681,938.75x = 29,519,543.07 × 5,301,643.44
  4. Step 4: Simplify right side
    19,681,938.75x = 156,502,091,868,862.97
  5. Step 5: Solve for x
    x = 156,502,091,868,862.97/19,681,938.75
  6. Step 6: Final answer
    x = 7,951,558.73

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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.