Home / 13,103,674.60-19,655,511.90-11,717,991.40

Finding the Fourth Proportional to 13,103,674.60, 19,655,511.90 and 11,717,991.40

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Solution

The fourth proportional to 13,103,674.60, 19,655,511.90 and 11,717,991.40 is: 17,576,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,674.60 : 19,655,511.90 = 11,717,991.40 : x
  2. Step 2: Convert to fraction form
    13,103,674.60/19,655,511.90 = 11,717,991.40/x
  3. Step 3: Cross multiply
    13,103,674.60x = 19,655,511.90 × 11,717,991.40
  4. Step 4: Simplify right side
    13,103,674.60x = 230,323,119,406,797.66
  5. Step 5: Solve for x
    x = 230,323,119,406,797.66/13,103,674.60
  6. Step 6: Final answer
    x = 17,576,987.10

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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.