Home / 13,173,931.41-18,181,383.92-7,592,373.91

Finding the Fourth Proportional to 13,173,931.41, 18,181,383.92 and 7,592,373.91

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Solution

The fourth proportional to 13,173,931.41, 18,181,383.92 and 7,592,373.91 is: 10,478,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,931.41 : 18,181,383.92 = 7,592,373.91 : x
  2. Step 2: Convert to fraction form
    13,173,931.41/18,181,383.92 = 7,592,373.91/x
  3. Step 3: Cross multiply
    13,173,931.41x = 18,181,383.92 × 7,592,373.91
  4. Step 4: Simplify right side
    13,173,931.41x = 138,039,864,921,901.55
  5. Step 5: Solve for x
    x = 138,039,864,921,901.55/13,173,931.41
  6. Step 6: Final answer
    x = 10,478,258.97

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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.