Home / 18,404,605.40-27,606,648.90-8,307,210.20

Finding the Fourth Proportional to 18,404,605.40, 27,606,648.90 and 8,307,210.20

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Solution

The fourth proportional to 18,404,605.40, 27,606,648.90 and 8,307,210.20 is: 12,460,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404,605.40 : 27,606,648.90 = 8,307,210.20 : x
  2. Step 2: Convert to fraction form
    18,404,605.40/27,606,648.90 = 8,307,210.20/x
  3. Step 3: Cross multiply
    18,404,605.40x = 27,606,648.90 × 8,307,210.20
  4. Step 4: Simplify right side
    18,404,605.40x = 229,334,235,329,898.78
  5. Step 5: Solve for x
    x = 229,334,235,329,898.78/18,404,605.40
  6. Step 6: Final answer
    x = 12,460,698.31

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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.