Home / 10,571,806.10-15,857,709.15-10,306,085.60

Finding the Fourth Proportional to 10,571,806.10, 15,857,709.15 and 10,306,085.60

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Solution

The fourth proportional to 10,571,806.10, 15,857,709.15 and 10,306,085.60 is: 15,459,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,806.10 : 15,857,709.15 = 10,306,085.60 : x
  2. Step 2: Convert to fraction form
    10,571,806.10/15,857,709.15 = 10,306,085.60/x
  3. Step 3: Cross multiply
    10,571,806.10x = 15,857,709.15 × 10,306,085.60
  4. Step 4: Simplify right side
    10,571,806.10x = 163,430,907,919,803.25
  5. Step 5: Solve for x
    x = 163,430,907,919,803.25/10,571,806.10
  6. Step 6: Final answer
    x = 15,459,128.40

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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.