Home / 7,666,116-11,496,685.76-2,547,171.20

Finding the Fourth Proportional to 7,666,116, 11,496,685.76 and 2,547,171.20

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Solution

The fourth proportional to 7,666,116, 11,496,685.76 and 2,547,171.20 is: 3,819,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666,116 : 11,496,685.76 = 2,547,171.20 : x
  2. Step 2: Convert to fraction form
    7,666,116/11,496,685.76 = 2,547,171.20/x
  3. Step 3: Cross multiply
    7,666,116x = 11,496,685.76 × 2,547,171.20
  4. Step 4: Simplify right side
    7,666,116x = 29,284,026,863,322.11
  5. Step 5: Solve for x
    x = 29,284,026,863,322.11/7,666,116
  6. Step 6: Final answer
    x = 3,819,930.05

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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.