Home / 13,640,680.04-18,824,140.02-7,529,110.12

Finding the Fourth Proportional to 13,640,680.04, 18,824,140.02 and 7,529,110.12

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Solution

The fourth proportional to 13,640,680.04, 18,824,140.02 and 7,529,110.12 is: 10,390,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,640,680.04 : 18,824,140.02 = 7,529,110.12 : x
  2. Step 2: Convert to fraction form
    13,640,680.04/18,824,140.02 = 7,529,110.12/x
  3. Step 3: Cross multiply
    13,640,680.04x = 18,824,140.02 × 7,529,110.12
  4. Step 4: Simplify right side
    13,640,680.04x = 141,729,023,124,879
  5. Step 5: Solve for x
    x = 141,729,023,124,879/13,640,680.04
  6. Step 6: Final answer
    x = 10,390,172.83

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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.