Home / 15,340,085.56-21,169,417.80-8,371,253.80

Finding the Fourth Proportional to 15,340,085.56, 21,169,417.80 and 8,371,253.80

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Solution

The fourth proportional to 15,340,085.56, 21,169,417.80 and 8,371,253.80 is: 11,552,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340,085.56 : 21,169,417.80 = 8,371,253.80 : x
  2. Step 2: Convert to fraction form
    15,340,085.56/21,169,417.80 = 8,371,253.80/x
  3. Step 3: Cross multiply
    15,340,085.56x = 21,169,417.80 × 8,371,253.80
  4. Step 4: Simplify right side
    15,340,085.56x = 177,214,569,202,037.66
  5. Step 5: Solve for x
    x = 177,214,569,202,037.66/15,340,085.56
  6. Step 6: Final answer
    x = 11,552,384.67

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1.5x scale

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.