Home / 21,561,036.80-32,346,220.80-6,416,499.20

Finding the Fourth Proportional to 21,561,036.80, 32,346,220.80 and 6,416,499.20

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Solution

The fourth proportional to 21,561,036.80, 32,346,220.80 and 6,416,499.20 is: 9,626,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,036.80 : 32,346,220.80 = 6,416,499.20 : x
  2. Step 2: Convert to fraction form
    21,561,036.80/32,346,220.80 = 6,416,499.20/x
  3. Step 3: Cross multiply
    21,561,036.80x = 32,346,220.80 × 6,416,499.20
  4. Step 4: Simplify right side
    21,561,036.80x = 207,549,499,886,223.38
  5. Step 5: Solve for x
    x = 207,549,499,886,223.38/21,561,036.80
  6. Step 6: Final answer
    x = 9,626,137.27

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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.