Home / 18,173,061.08-25,078,984.46-9,913,160.06

Finding the Fourth Proportional to 18,173,061.08, 25,078,984.46 and 9,913,160.06

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Solution

The fourth proportional to 18,173,061.08, 25,078,984.46 and 9,913,160.06 is: 13,680,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,061.08 : 25,078,984.46 = 9,913,160.06 : x
  2. Step 2: Convert to fraction form
    18,173,061.08/25,078,984.46 = 9,913,160.06/x
  3. Step 3: Cross multiply
    18,173,061.08x = 25,078,984.46 × 9,913,160.06
  4. Step 4: Simplify right side
    18,173,061.08x = 248,611,987,094,232.69
  5. Step 5: Solve for x
    x = 248,611,987,094,232.69/18,173,061.08
  6. Step 6: Final answer
    x = 13,680,248.25

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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.