Home / 11,416,967.76-15,763,681.08-7,349,671.92

Finding the Fourth Proportional to 11,416,967.76, 15,763,681.08 and 7,349,671.92

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Solution

The fourth proportional to 11,416,967.76, 15,763,681.08 and 7,349,671.92 is: 10,147,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416,967.76 : 15,763,681.08 = 7,349,671.92 : x
  2. Step 2: Convert to fraction form
    11,416,967.76/15,763,681.08 = 7,349,671.92/x
  3. Step 3: Cross multiply
    11,416,967.76x = 15,763,681.08 × 7,349,671.92
  4. Step 4: Simplify right side
    11,416,967.76x = 115,857,884,189,511.27
  5. Step 5: Solve for x
    x = 115,857,884,189,511.27/11,416,967.76
  6. Step 6: Final answer
    x = 10,147,868.21

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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.