Home / 19,538,448.40-29,307,672.60-15,759,312.40

Finding the Fourth Proportional to 19,538,448.40, 29,307,672.60 and 15,759,312.40

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Solution

The fourth proportional to 19,538,448.40, 29,307,672.60 and 15,759,312.40 is: 23,638,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538,448.40 : 29,307,672.60 = 15,759,312.40 : x
  2. Step 2: Convert to fraction form
    19,538,448.40/29,307,672.60 = 15,759,312.40/x
  3. Step 3: Cross multiply
    19,538,448.40x = 29,307,672.60 × 15,759,312.40
  4. Step 4: Simplify right side
    19,538,448.40x = 461,868,768,220,320.25
  5. Step 5: Solve for x
    x = 461,868,768,220,320.25/19,538,448.40
  6. Step 6: Final answer
    x = 23,638,968.60

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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.