Home / 21,485,165.15-32,209,666.61-9,345,483.54

Finding the Fourth Proportional to 21,485,165.15, 32,209,666.61 and 9,345,483.54

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Solution

The fourth proportional to 21,485,165.15, 32,209,666.61 and 9,345,483.54 is: 14,010,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485,165.15 : 32,209,666.61 = 9,345,483.54 : x
  2. Step 2: Convert to fraction form
    21,485,165.15/32,209,666.61 = 9,345,483.54/x
  3. Step 3: Cross multiply
    21,485,165.15x = 32,209,666.61 × 9,345,483.54
  4. Step 4: Simplify right side
    21,485,165.15x = 301,014,909,085,915.19
  5. Step 5: Solve for x
    x = 301,014,909,085,915.19/21,485,165.15
  6. Step 6: Final answer
    x = 14,010,360.50

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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.