Home / 25,290,300.45-34,901,460.93-15,498,853.74

Finding the Fourth Proportional to 25,290,300.45, 34,901,460.93 and 15,498,853.74

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Solution

The fourth proportional to 25,290,300.45, 34,901,460.93 and 15,498,853.74 is: 21,388,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290,300.45 : 34,901,460.93 = 15,498,853.74 : x
  2. Step 2: Convert to fraction form
    25,290,300.45/34,901,460.93 = 15,498,853.74/x
  3. Step 3: Cross multiply
    25,290,300.45x = 34,901,460.93 × 15,498,853.74
  4. Step 4: Simplify right side
    25,290,300.45x = 540,932,638,266,394.38
  5. Step 5: Solve for x
    x = 540,932,638,266,394.38/25,290,300.45
  6. Step 6: Final answer
    x = 21,388,936.81

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1.5x scale

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.