Home / 28,488,587.75-39,314,196.15-15,436,199.96

Finding the Fourth Proportional to 28,488,587.75, 39,314,196.15 and 15,436,199.96

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Solution

The fourth proportional to 28,488,587.75, 39,314,196.15 and 15,436,199.96 is: 21,301,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,587.75 : 39,314,196.15 = 15,436,199.96 : x
  2. Step 2: Convert to fraction form
    28,488,587.75/39,314,196.15 = 15,436,199.96/x
  3. Step 3: Cross multiply
    28,488,587.75x = 39,314,196.15 × 15,436,199.96
  4. Step 4: Simplify right side
    28,488,587.75x = 606,861,793,038,062.12
  5. Step 5: Solve for x
    x = 606,861,793,038,062.12/28,488,587.75
  6. Step 6: Final answer
    x = 21,301,926.17

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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.