Home / 11,488,646.40-15,854,428.56-6,332,021.16

Finding the Fourth Proportional to 11,488,646.40, 15,854,428.56 and 6,332,021.16

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Solution

The fourth proportional to 11,488,646.40, 15,854,428.56 and 6,332,021.16 is: 8,738,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488,646.40 : 15,854,428.56 = 6,332,021.16 : x
  2. Step 2: Convert to fraction form
    11,488,646.40/15,854,428.56 = 6,332,021.16/x
  3. Step 3: Cross multiply
    11,488,646.40x = 15,854,428.56 × 6,332,021.16
  4. Step 4: Simplify right side
    11,488,646.40x = 100,390,577,121,628.33
  5. Step 5: Solve for x
    x = 100,390,577,121,628.33/11,488,646.40
  6. Step 6: Final answer
    x = 8,738,242.40

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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.