Home / 20,937,511.60-31,407,251.55-6,561,048.40

Finding the Fourth Proportional to 20,937,511.60, 31,407,251.55 and 6,561,048.40

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Solution

The fourth proportional to 20,937,511.60, 31,407,251.55 and 6,561,048.40 is: 9,841,881.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,937,511.60 : 31,407,251.55 = 6,561,048.40 : x
  2. Step 2: Convert to fraction form
    20,937,511.60/31,407,251.55 = 6,561,048.40/x
  3. Step 3: Cross multiply
    20,937,511.60x = 31,407,251.55 × 6,561,048.40
  4. Step 4: Simplify right side
    20,937,511.60x = 206,064,497,530,525.03
  5. Step 5: Solve for x
    x = 206,064,497,530,525.03/20,937,511.60
  6. Step 6: Final answer
    x = 9,841,881.00

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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.