Home / 9,926,511.80-14,889,767.70-8,918,742.20

Finding the Fourth Proportional to 9,926,511.80, 14,889,767.70 and 8,918,742.20

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Solution

The fourth proportional to 9,926,511.80, 14,889,767.70 and 8,918,742.20 is: 13,378,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,926,511.80 : 14,889,767.70 = 8,918,742.20 : x
  2. Step 2: Convert to fraction form
    9,926,511.80/14,889,767.70 = 8,918,742.20/x
  3. Step 3: Cross multiply
    9,926,511.80x = 14,889,767.70 × 8,918,742.20
  4. Step 4: Simplify right side
    9,926,511.80x = 132,797,999,534,186.92
  5. Step 5: Solve for x
    x = 132,797,999,534,186.92/9,926,511.80
  6. Step 6: Final answer
    x = 13,378,113.30

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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.