Home / 13,776,980.20-20,654,272.86-4,807,830.76

Finding the Fourth Proportional to 13,776,980.20, 20,654,272.86 and 4,807,830.76

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Solution

The fourth proportional to 13,776,980.20, 20,654,272.86 and 4,807,830.76 is: 7,207,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776,980.20 : 20,654,272.86 = 4,807,830.76 : x
  2. Step 2: Convert to fraction form
    13,776,980.20/20,654,272.86 = 4,807,830.76/x
  3. Step 3: Cross multiply
    13,776,980.20x = 20,654,272.86 × 4,807,830.76
  4. Step 4: Simplify right side
    13,776,980.20x = 99,302,248,381,741.17
  5. Step 5: Solve for x
    x = 99,302,248,381,741.17/13,776,980.20
  6. Step 6: Final answer
    x = 7,207,838.51

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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.