Home / 21,728,029.60-32,592,044.40-7,351,566.40

Finding the Fourth Proportional to 21,728,029.60, 32,592,044.40 and 7,351,566.40

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Solution

The fourth proportional to 21,728,029.60, 32,592,044.40 and 7,351,566.40 is: 11,027,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,029.60 : 32,592,044.40 = 7,351,566.40 : x
  2. Step 2: Convert to fraction form
    21,728,029.60/32,592,044.40 = 7,351,566.40/x
  3. Step 3: Cross multiply
    21,728,029.60x = 32,592,044.40 × 7,351,566.40
  4. Step 4: Simplify right side
    21,728,029.60x = 239,602,578,518,348.16
  5. Step 5: Solve for x
    x = 239,602,578,518,348.16/21,728,029.60
  6. Step 6: Final answer
    x = 11,027,349.60

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Similar ratio
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1.5x scale

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.