Home / 20,359,298.64-28,095,277.32-11,191,943.76

Finding the Fourth Proportional to 20,359,298.64, 28,095,277.32 and 11,191,943.76

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Solution

The fourth proportional to 20,359,298.64, 28,095,277.32 and 11,191,943.76 is: 15,444,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359,298.64 : 28,095,277.32 = 11,191,943.76 : x
  2. Step 2: Convert to fraction form
    20,359,298.64/28,095,277.32 = 11,191,943.76/x
  3. Step 3: Cross multiply
    20,359,298.64x = 28,095,277.32 × 11,191,943.76
  4. Step 4: Simplify right side
    20,359,298.64x = 314,440,763,687,043.50
  5. Step 5: Solve for x
    x = 314,440,763,687,043.50/20,359,298.64
  6. Step 6: Final answer
    x = 15,444,577.40

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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.