Home / 28,483,711.20-39,307,304.19-15,430,876.74

Finding the Fourth Proportional to 28,483,711.20, 39,307,304.19 and 15,430,876.74

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Solution

The fourth proportional to 28,483,711.20, 39,307,304.19 and 15,430,876.74 is: 21,294,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483,711.20 : 39,307,304.19 = 15,430,876.74 : x
  2. Step 2: Convert to fraction form
    28,483,711.20/39,307,304.19 = 15,430,876.74/x
  3. Step 3: Cross multiply
    28,483,711.20x = 39,307,304.19 × 15,430,876.74
  4. Step 4: Simplify right side
    28,483,711.20x = 606,546,165,937,575.50
  5. Step 5: Solve for x
    x = 606,546,165,937,575.50/28,483,711.20
  6. Step 6: Final answer
    x = 21,294,492.20

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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.