Home / 27,879,907.36-38,475,132.96-15,657,026.80

Finding the Fourth Proportional to 27,879,907.36, 38,475,132.96 and 15,657,026.80

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Solution

The fourth proportional to 27,879,907.36, 38,475,132.96 and 15,657,026.80 is: 21,607,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,879,907.36 : 38,475,132.96 = 15,657,026.80 : x
  2. Step 2: Convert to fraction form
    27,879,907.36/38,475,132.96 = 15,657,026.80/x
  3. Step 3: Cross multiply
    27,879,907.36x = 38,475,132.96 × 15,657,026.80
  4. Step 4: Simplify right side
    27,879,907.36x = 602,406,187,888,283.38
  5. Step 5: Solve for x
    x = 602,406,187,888,283.38/27,879,907.36
  6. Step 6: Final answer
    x = 21,607,180.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.