Home / 10,904,947.80-16,357,421.70-6,653,419.80

Finding the Fourth Proportional to 10,904,947.80, 16,357,421.70 and 6,653,419.80

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Solution

The fourth proportional to 10,904,947.80, 16,357,421.70 and 6,653,419.80 is: 9,980,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904,947.80 : 16,357,421.70 = 6,653,419.80 : x
  2. Step 2: Convert to fraction form
    10,904,947.80/16,357,421.70 = 6,653,419.80/x
  3. Step 3: Cross multiply
    10,904,947.80x = 16,357,421.70 × 6,653,419.80
  4. Step 4: Simplify right side
    10,904,947.80x = 108,832,793,415,729.66
  5. Step 5: Solve for x
    x = 108,832,793,415,729.66/10,904,947.80
  6. Step 6: Final answer
    x = 9,980,129.70

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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.