Home / 21,999,847.68-30,360,113.28-12,210,920.64

Finding the Fourth Proportional to 21,999,847.68, 30,360,113.28 and 12,210,920.64

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Solution

The fourth proportional to 21,999,847.68, 30,360,113.28 and 12,210,920.64 is: 16,851,250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999,847.68 : 30,360,113.28 = 12,210,920.64 : x
  2. Step 2: Convert to fraction form
    21,999,847.68/30,360,113.28 = 12,210,920.64/x
  3. Step 3: Cross multiply
    21,999,847.68x = 30,360,113.28 × 12,210,920.64
  4. Step 4: Simplify right side
    21,999,847.68x = 370,724,933,883,490.12
  5. Step 5: Solve for x
    x = 370,724,933,883,490.12/21,999,847.68
  6. Step 6: Final answer
    x = 16,851,250.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.