Home / 9,489,512.47-13,095,503.60-5,138,598.53

Finding the Fourth Proportional to 9,489,512.47, 13,095,503.60 and 5,138,598.53

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Solution

The fourth proportional to 9,489,512.47, 13,095,503.60 and 5,138,598.53 is: 7,091,253.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,512.47 : 13,095,503.60 = 5,138,598.53 : x
  2. Step 2: Convert to fraction form
    9,489,512.47/13,095,503.60 = 5,138,598.53/x
  3. Step 3: Cross multiply
    9,489,512.47x = 13,095,503.60 × 5,138,598.53
  4. Step 4: Simplify right side
    9,489,512.47x = 67,292,535,457,399.20
  5. Step 5: Solve for x
    x = 67,292,535,457,399.20/9,489,512.47
  6. Step 6: Final answer
    x = 7,091,253.18

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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.