Home / 13,192,140.04-18,207,075.18-7,391,313.88

Finding the Fourth Proportional to 13,192,140.04, 18,207,075.18 and 7,391,313.88

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Solution

The fourth proportional to 13,192,140.04, 18,207,075.18 and 7,391,313.88 is: 10,201,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,140.04 : 18,207,075.18 = 7,391,313.88 : x
  2. Step 2: Convert to fraction form
    13,192,140.04/18,207,075.18 = 7,391,313.88/x
  3. Step 3: Cross multiply
    13,192,140.04x = 18,207,075.18 × 7,391,313.88
  4. Step 4: Simplify right side
    13,192,140.04x = 134,574,207,492,137.50
  5. Step 5: Solve for x
    x = 134,574,207,492,137.50/13,192,140.04
  6. Step 6: Final answer
    x = 10,201,089.97

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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.