Home / 21,312,933.60-31,969,400.40-9,345,669.60

Finding the Fourth Proportional to 21,312,933.60, 31,969,400.40 and 9,345,669.60

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Solution

The fourth proportional to 21,312,933.60, 31,969,400.40 and 9,345,669.60 is: 14,018,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,312,933.60 : 31,969,400.40 = 9,345,669.60 : x
  2. Step 2: Convert to fraction form
    21,312,933.60/31,969,400.40 = 9,345,669.60/x
  3. Step 3: Cross multiply
    21,312,933.60x = 31,969,400.40 × 9,345,669.60
  4. Step 4: Simplify right side
    21,312,933.60x = 298,775,453,448,507.81
  5. Step 5: Solve for x
    x = 298,775,453,448,507.81/21,312,933.60
  6. Step 6: Final answer
    x = 14,018,504.40

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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.