Home / 15,719,899.41-21,693,308.09-8,750,466.45

Finding the Fourth Proportional to 15,719,899.41, 21,693,308.09 and 8,750,466.45

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Solution

The fourth proportional to 15,719,899.41, 21,693,308.09 and 8,750,466.45 is: 12,075,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719,899.41 : 21,693,308.09 = 8,750,466.45 : x
  2. Step 2: Convert to fraction form
    15,719,899.41/21,693,308.09 = 8,750,466.45/x
  3. Step 3: Cross multiply
    15,719,899.41x = 21,693,308.09 × 8,750,466.45
  4. Step 4: Simplify right side
    15,719,899.41x = 189,826,564,587,306.25
  5. Step 5: Solve for x
    x = 189,826,564,587,306.25/15,719,899.41
  6. Step 6: Final answer
    x = 12,075,558.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.