Home / 13,753,526.42-18,980,321.51-7,558,792.72

Finding the Fourth Proportional to 13,753,526.42, 18,980,321.51 and 7,558,792.72

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Solution

The fourth proportional to 13,753,526.42, 18,980,321.51 and 7,558,792.72 is: 10,431,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,526.42 : 18,980,321.51 = 7,558,792.72 : x
  2. Step 2: Convert to fraction form
    13,753,526.42/18,980,321.51 = 7,558,792.72/x
  3. Step 3: Cross multiply
    13,753,526.42x = 18,980,321.51 × 7,558,792.72
  4. Step 4: Simplify right side
    13,753,526.42x = 143,468,316,053,047.41
  5. Step 5: Solve for x
    x = 143,468,316,053,047.41/13,753,526.42
  6. Step 6: Final answer
    x = 10,431,384.04

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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.