Home / 21,343,091.60-32,018,784.60-9,212,531.60

Finding the Fourth Proportional to 21,343,091.60, 32,018,784.60 and 9,212,531.60

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Solution

The fourth proportional to 21,343,091.60, 32,018,784.60 and 9,212,531.60 is: 13,820,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343,091.60 : 32,018,784.60 = 9,212,531.60 : x
  2. Step 2: Convert to fraction form
    21,343,091.60/32,018,784.60 = 9,212,531.60/x
  3. Step 3: Cross multiply
    21,343,091.60x = 32,018,784.60 × 9,212,531.60
  4. Step 4: Simplify right side
    21,343,091.60x = 294,974,064,921,093.38
  5. Step 5: Solve for x
    x = 294,974,064,921,093.38/21,343,091.60
  6. Step 6: Final answer
    x = 13,820,587.50

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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.