Home / 10,987,223.40-16,480,835.10-7,160,848.20

Finding the Fourth Proportional to 10,987,223.40, 16,480,835.10 and 7,160,848.20

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Solution

The fourth proportional to 10,987,223.40, 16,480,835.10 and 7,160,848.20 is: 10,741,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,223.40 : 16,480,835.10 = 7,160,848.20 : x
  2. Step 2: Convert to fraction form
    10,987,223.40/16,480,835.10 = 7,160,848.20/x
  3. Step 3: Cross multiply
    10,987,223.40x = 16,480,835.10 × 7,160,848.20
  4. Step 4: Simplify right side
    10,987,223.40x = 118,016,758,360,331.83
  5. Step 5: Solve for x
    x = 118,016,758,360,331.83/10,987,223.40
  6. Step 6: Final answer
    x = 10,741,272.30

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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.