Home / 21,553,340.40-32,330,010.60-6,405,303.60

Finding the Fourth Proportional to 21,553,340.40, 32,330,010.60 and 6,405,303.60

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Solution

The fourth proportional to 21,553,340.40, 32,330,010.60 and 6,405,303.60 is: 9,607,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553,340.40 : 32,330,010.60 = 6,405,303.60 : x
  2. Step 2: Convert to fraction form
    21,553,340.40/32,330,010.60 = 6,405,303.60/x
  3. Step 3: Cross multiply
    21,553,340.40x = 32,330,010.60 × 6,405,303.60
  4. Step 4: Simplify right side
    21,553,340.40x = 207,083,533,284,218.16
  5. Step 5: Solve for x
    x = 207,083,533,284,218.16/21,553,340.40
  6. Step 6: Final answer
    x = 9,607,955.40

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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.