Home / 17,909,528.40-26,856,366.84-5,127,120.72

Finding the Fourth Proportional to 17,909,528.40, 26,856,366.84 and 5,127,120.72

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Solution

The fourth proportional to 17,909,528.40, 26,856,366.84 and 5,127,120.72 is: 7,688,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909,528.40 : 26,856,366.84 = 5,127,120.72 : x
  2. Step 2: Convert to fraction form
    17,909,528.40/26,856,366.84 = 5,127,120.72/x
  3. Step 3: Cross multiply
    17,909,528.40x = 26,856,366.84 × 5,127,120.72
  4. Step 4: Simplify right side
    17,909,528.40x = 137,695,834,889,284.92
  5. Step 5: Solve for x
    x = 137,695,834,889,284.92/17,909,528.40
  6. Step 6: Final answer
    x = 7,688,412.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.