Home / 7,117,909.36-9,822,666-3,854,649.41

Finding the Fourth Proportional to 7,117,909.36, 9,822,666 and 3,854,649.41

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Solution

The fourth proportional to 7,117,909.36, 9,822,666 and 3,854,649.41 is: 5,319,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,909.36 : 9,822,666 = 3,854,649.41 : x
  2. Step 2: Convert to fraction form
    7,117,909.36/9,822,666 = 3,854,649.41/x
  3. Step 3: Cross multiply
    7,117,909.36x = 9,822,666 × 3,854,649.41
  4. Step 4: Simplify right side
    7,117,909.36x = 37,862,933,701,527.06
  5. Step 5: Solve for x
    x = 37,862,933,701,527.06/7,117,909.36
  6. Step 6: Final answer
    x = 5,319,389.70

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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.