Home / 13,593,343.54-18,758,813.04-7,398,434.67

Finding the Fourth Proportional to 13,593,343.54, 18,758,813.04 and 7,398,434.67

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Solution

The fourth proportional to 13,593,343.54, 18,758,813.04 and 7,398,434.67 is: 10,209,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593,343.54 : 18,758,813.04 = 7,398,434.67 : x
  2. Step 2: Convert to fraction form
    13,593,343.54/18,758,813.04 = 7,398,434.67/x
  3. Step 3: Cross multiply
    13,593,343.54x = 18,758,813.04 × 7,398,434.67
  4. Step 4: Simplify right side
    13,593,343.54x = 138,785,852,763,184.09
  5. Step 5: Solve for x
    x = 138,785,852,763,184.09/13,593,343.54
  6. Step 6: Final answer
    x = 10,209,839.28

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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.