Home / 20,255,989.74-27,953,263.65-10,963,558.11

Finding the Fourth Proportional to 20,255,989.74, 27,953,263.65 and 10,963,558.11

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Solution

The fourth proportional to 20,255,989.74, 27,953,263.65 and 10,963,558.11 is: 15,129,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255,989.74 : 27,953,263.65 = 10,963,558.11 : x
  2. Step 2: Convert to fraction form
    20,255,989.74/27,953,263.65 = 10,963,558.11/x
  3. Step 3: Cross multiply
    20,255,989.74x = 27,953,263.65 × 10,963,558.11
  4. Step 4: Simplify right side
    20,255,989.74x = 306,467,230,390,925.69
  5. Step 5: Solve for x
    x = 306,467,230,390,925.69/20,255,989.74
  6. Step 6: Final answer
    x = 15,129,709.01

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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.