Home / 13,223,655.33-18,248,030.10-7,343,662.83

Finding the Fourth Proportional to 13,223,655.33, 18,248,030.10 and 7,343,662.83

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Solution

The fourth proportional to 13,223,655.33, 18,248,030.10 and 7,343,662.83 is: 10,133,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,655.33 : 18,248,030.10 = 7,343,662.83 : x
  2. Step 2: Convert to fraction form
    13,223,655.33/18,248,030.10 = 7,343,662.83/x
  3. Step 3: Cross multiply
    13,223,655.33x = 18,248,030.10 × 7,343,662.83
  4. Step 4: Simplify right side
    13,223,655.33x = 134,007,380,366,091.19
  5. Step 5: Solve for x
    x = 134,007,380,366,091.19/13,223,655.33
  6. Step 6: Final answer
    x = 10,133,913.58

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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.