Home / 21,343,089.60-32,018,781.60-9,212,529.60

Finding the Fourth Proportional to 21,343,089.60, 32,018,781.60 and 9,212,529.60

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Solution

The fourth proportional to 21,343,089.60, 32,018,781.60 and 9,212,529.60 is: 13,820,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343,089.60 : 32,018,781.60 = 9,212,529.60 : x
  2. Step 2: Convert to fraction form
    21,343,089.60/32,018,781.60 = 9,212,529.60/x
  3. Step 3: Cross multiply
    21,343,089.60x = 32,018,781.60 × 9,212,529.60
  4. Step 4: Simplify right side
    21,343,089.60x = 294,973,973,245,935.38
  5. Step 5: Solve for x
    x = 294,973,973,245,935.38/21,343,089.60
  6. Step 6: Final answer
    x = 13,820,584.50

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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.