Home / 48,338,476.80-72,507,004.49-11,946,870.32

Finding the Fourth Proportional to 48,338,476.80, 72,507,004.49 and 11,946,870.32

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Solution

The fourth proportional to 48,338,476.80, 72,507,004.49 and 11,946,870.32 is: 17,920,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,338,476.80 : 72,507,004.49 = 11,946,870.32 : x
  2. Step 2: Convert to fraction form
    48,338,476.80/72,507,004.49 = 11,946,870.32/x
  3. Step 3: Cross multiply
    48,338,476.80x = 72,507,004.49 × 11,946,870.32
  4. Step 4: Simplify right side
    48,338,476.80x = 866,231,779,511,418.38
  5. Step 5: Solve for x
    x = 866,231,779,511,418.38/48,338,476.80
  6. Step 6: Final answer
    x = 17,920,129.82

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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.