Home / 15,115,465.60-22,658,683.20-5,012,886.40

Finding the Fourth Proportional to 15,115,465.60, 22,658,683.20 and 5,012,886.40

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Solution

The fourth proportional to 15,115,465.60, 22,658,683.20 and 5,012,886.40 is: 7,514,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115,465.60 : 22,658,683.20 = 5,012,886.40 : x
  2. Step 2: Convert to fraction form
    15,115,465.60/22,658,683.20 = 5,012,886.40/x
  3. Step 3: Cross multiply
    15,115,465.60x = 22,658,683.20 × 5,012,886.40
  4. Step 4: Simplify right side
    15,115,465.60x = 113,585,404,855,188.48
  5. Step 5: Solve for x
    x = 113,585,404,855,188.48/15,115,465.60
  6. Step 6: Final answer
    x = 7,514,515.79

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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.