Home / 21,557,796.60-32,341,187.70-7,185,329.40

Finding the Fourth Proportional to 21,557,796.60, 32,341,187.70 and 7,185,329.40

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Solution

The fourth proportional to 21,557,796.60, 32,341,187.70 and 7,185,329.40 is: 10,779,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,796.60 : 32,341,187.70 = 7,185,329.40 : x
  2. Step 2: Convert to fraction form
    21,557,796.60/32,341,187.70 = 7,185,329.40/x
  3. Step 3: Cross multiply
    21,557,796.60x = 32,341,187.70 × 7,185,329.40
  4. Step 4: Simplify right side
    21,557,796.60x = 232,382,086,811,728.38
  5. Step 5: Solve for x
    x = 232,382,086,811,728.38/21,557,796.60
  6. Step 6: Final answer
    x = 10,779,491.57

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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.