Home / 25,400,309.88-35,048,272.50-14,955,128.40

Finding the Fourth Proportional to 25,400,309.88, 35,048,272.50 and 14,955,128.40

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Solution

The fourth proportional to 25,400,309.88, 35,048,272.50 and 14,955,128.40 is: 20,635,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400,309.88 : 35,048,272.50 = 14,955,128.40 : x
  2. Step 2: Convert to fraction form
    25,400,309.88/35,048,272.50 = 14,955,128.40/x
  3. Step 3: Cross multiply
    25,400,309.88x = 35,048,272.50 × 14,955,128.40
  4. Step 4: Simplify right side
    25,400,309.88x = 524,151,415,435,689
  5. Step 5: Solve for x
    x = 524,151,415,435,689/25,400,309.88
  6. Step 6: Final answer
    x = 20,635,630.74

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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.