Home / 22,257,783.72-30,663,303.30-20,918,552.40

Finding the Fourth Proportional to 22,257,783.72, 30,663,303.30 and 20,918,552.40

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Solution

The fourth proportional to 22,257,783.72, 30,663,303.30 and 20,918,552.40 is: 28,818,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,257,783.72 : 30,663,303.30 = 20,918,552.40 : x
  2. Step 2: Convert to fraction form
    22,257,783.72/30,663,303.30 = 20,918,552.40/x
  3. Step 3: Cross multiply
    22,257,783.72x = 30,663,303.30 × 20,918,552.40
  4. Step 4: Simplify right side
    22,257,783.72x = 641,431,916,838,142.88
  5. Step 5: Solve for x
    x = 641,431,916,838,142.88/22,257,783.72
  6. Step 6: Final answer
    x = 28,818,319.24

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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.