Home / 21,240,753.39-31,852,346.04-6,662,810.25

Finding the Fourth Proportional to 21,240,753.39, 31,852,346.04 and 6,662,810.25

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Solution

The fourth proportional to 21,240,753.39, 31,852,346.04 and 6,662,810.25 is: 9,991,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,240,753.39 : 31,852,346.04 = 6,662,810.25 : x
  2. Step 2: Convert to fraction form
    21,240,753.39/31,852,346.04 = 6,662,810.25/x
  3. Step 3: Cross multiply
    21,240,753.39x = 31,852,346.04 × 6,662,810.25
  4. Step 4: Simplify right side
    21,240,753.39x = 212,226,137,681,858.91
  5. Step 5: Solve for x
    x = 212,226,137,681,858.91/21,240,753.39
  6. Step 6: Final answer
    x = 9,991,459.99

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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.