Home / 11,185,681.44-16,767,892.80-7,130,788.08

Finding the Fourth Proportional to 11,185,681.44, 16,767,892.80 and 7,130,788.08

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Solution

The fourth proportional to 11,185,681.44, 16,767,892.80 and 7,130,788.08 is: 10,689,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185,681.44 : 16,767,892.80 = 7,130,788.08 : x
  2. Step 2: Convert to fraction form
    11,185,681.44/16,767,892.80 = 7,130,788.08/x
  3. Step 3: Cross multiply
    11,185,681.44x = 16,767,892.80 × 7,130,788.08
  4. Step 4: Simplify right side
    11,185,681.44x = 119,568,290,104,957.83
  5. Step 5: Solve for x
    x = 119,568,290,104,957.83/11,185,681.44
  6. Step 6: Final answer
    x = 10,689,405.98

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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.