Home / 13,223,655.32-18,248,030.08-7,343,662.84

Finding the Fourth Proportional to 13,223,655.32, 18,248,030.08 and 7,343,662.84

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Solution

The fourth proportional to 13,223,655.32, 18,248,030.08 and 7,343,662.84 is: 10,133,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,655.32 : 18,248,030.08 = 7,343,662.84 : x
  2. Step 2: Convert to fraction form
    13,223,655.32/18,248,030.08 = 7,343,662.84/x
  3. Step 3: Cross multiply
    13,223,655.32x = 18,248,030.08 × 7,343,662.84
  4. Step 4: Simplify right side
    13,223,655.32x = 134,007,380,401,698.22
  5. Step 5: Solve for x
    x = 134,007,380,401,698.22/13,223,655.32
  6. Step 6: Final answer
    x = 10,133,913.59

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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.