Home / 12,617,155.26-17,411,258.88-7,973,421.75

Finding the Fourth Proportional to 12,617,155.26, 17,411,258.88 and 7,973,421.75

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Solution

The fourth proportional to 12,617,155.26, 17,411,258.88 and 7,973,421.75 is: 11,003,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617,155.26 : 17,411,258.88 = 7,973,421.75 : x
  2. Step 2: Convert to fraction form
    12,617,155.26/17,411,258.88 = 7,973,421.75/x
  3. Step 3: Cross multiply
    12,617,155.26x = 17,411,258.88 × 7,973,421.75
  4. Step 4: Simplify right side
    12,617,155.26x = 138,827,310,248,672.62
  5. Step 5: Solve for x
    x = 138,827,310,248,672.62/12,617,155.26
  6. Step 6: Final answer
    x = 11,003,059.52

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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.