Home / 14,523,638.80-21,785,458.20-9,421,805.20

Finding the Fourth Proportional to 14,523,638.80, 21,785,458.20 and 9,421,805.20

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Solution

The fourth proportional to 14,523,638.80, 21,785,458.20 and 9,421,805.20 is: 14,132,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523,638.80 : 21,785,458.20 = 9,421,805.20 : x
  2. Step 2: Convert to fraction form
    14,523,638.80/21,785,458.20 = 9,421,805.20/x
  3. Step 3: Cross multiply
    14,523,638.80x = 21,785,458.20 × 9,421,805.20
  4. Step 4: Simplify right side
    14,523,638.80x = 205,258,343,353,142.62
  5. Step 5: Solve for x
    x = 205,258,343,353,142.62/14,523,638.80
  6. Step 6: Final answer
    x = 14,132,707.80

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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.