Home / 10,365,885.90-15,548,828.85-10,206,453.60

Finding the Fourth Proportional to 10,365,885.90, 15,548,828.85 and 10,206,453.60

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Solution

The fourth proportional to 10,365,885.90, 15,548,828.85 and 10,206,453.60 is: 15,309,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,885.90 : 15,548,828.85 = 10,206,453.60 : x
  2. Step 2: Convert to fraction form
    10,365,885.90/15,548,828.85 = 10,206,453.60/x
  3. Step 3: Cross multiply
    10,365,885.90x = 15,548,828.85 × 10,206,453.60
  4. Step 4: Simplify right side
    10,365,885.90x = 158,698,400,191,866.34
  5. Step 5: Solve for x
    x = 158,698,400,191,866.34/10,365,885.90
  6. Step 6: Final answer
    x = 15,309,680.40

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1.5x scale

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.