Home / 13,564,482.10-18,719,197.65-7,369,651.51

Finding the Fourth Proportional to 13,564,482.10, 18,719,197.65 and 7,369,651.51

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Solution

The fourth proportional to 13,564,482.10, 18,719,197.65 and 7,369,651.51 is: 10,170,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,482.10 : 18,719,197.65 = 7,369,651.51 : x
  2. Step 2: Convert to fraction form
    13,564,482.10/18,719,197.65 = 7,369,651.51/x
  3. Step 3: Cross multiply
    13,564,482.10x = 18,719,197.65 × 7,369,651.51
  4. Step 4: Simplify right side
    13,564,482.10x = 137,953,963,227,310.94
  5. Step 5: Solve for x
    x = 137,953,963,227,310.94/13,564,482.10
  6. Step 6: Final answer
    x = 10,170,234.46

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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.