Home / 7,776,053.40-11,664,080.10-7,303,661.40

Finding the Fourth Proportional to 7,776,053.40, 11,664,080.10 and 7,303,661.40

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Solution

The fourth proportional to 7,776,053.40, 11,664,080.10 and 7,303,661.40 is: 10,955,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,053.40 : 11,664,080.10 = 7,303,661.40 : x
  2. Step 2: Convert to fraction form
    7,776,053.40/11,664,080.10 = 7,303,661.40/x
  3. Step 3: Cross multiply
    7,776,053.40x = 11,664,080.10 × 7,303,661.40
  4. Step 4: Simplify right side
    7,776,053.40x = 85,190,491,592,878.14
  5. Step 5: Solve for x
    x = 85,190,491,592,878.14/7,776,053.40
  6. Step 6: Final answer
    x = 10,955,492.10

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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.