Home / 25,414,853.72-35,072,769-13,812,417.80

Finding the Fourth Proportional to 25,414,853.72, 35,072,769 and 13,812,417.80

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Solution

The fourth proportional to 25,414,853.72, 35,072,769 and 13,812,417.80 is: 19,061,283.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,414,853.72 : 35,072,769 = 13,812,417.80 : x
  2. Step 2: Convert to fraction form
    25,414,853.72/35,072,769 = 13,812,417.80/x
  3. Step 3: Cross multiply
    25,414,853.72x = 35,072,769 × 13,812,417.80
  4. Step 4: Simplify right side
    25,414,853.72x = 484,439,738,830,888.25
  5. Step 5: Solve for x
    x = 484,439,738,830,888.25/25,414,853.72
  6. Step 6: Final answer
    x = 19,061,283.77

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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.