Home / 13,637,189.28-18,819,302.16-7,525,616.80

Finding the Fourth Proportional to 13,637,189.28, 18,819,302.16 and 7,525,616.80

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Solution

The fourth proportional to 13,637,189.28, 18,819,302.16 and 7,525,616.80 is: 10,385,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637,189.28 : 18,819,302.16 = 7,525,616.80 : x
  2. Step 2: Convert to fraction form
    13,637,189.28/18,819,302.16 = 7,525,616.80/x
  3. Step 3: Cross multiply
    13,637,189.28x = 18,819,302.16 × 7,525,616.80
  4. Step 4: Simplify right side
    13,637,189.28x = 141,626,856,499,572.28
  5. Step 5: Solve for x
    x = 141,626,856,499,572.28/13,637,189.28
  6. Step 6: Final answer
    x = 10,385,340.67

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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.