Home / 13,223,656.32-18,248,031.46-7,343,663.84

Finding the Fourth Proportional to 13,223,656.32, 18,248,031.46 and 7,343,663.84

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Solution

The fourth proportional to 13,223,656.32, 18,248,031.46 and 7,343,663.84 is: 10,133,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,656.32 : 18,248,031.46 = 7,343,663.84 : x
  2. Step 2: Convert to fraction form
    13,223,656.32/18,248,031.46 = 7,343,663.84/x
  3. Step 3: Cross multiply
    13,223,656.32x = 18,248,031.46 × 7,343,663.84
  4. Step 4: Simplify right side
    13,223,656.32x = 134,007,408,783,984.41
  5. Step 5: Solve for x
    x = 134,007,408,783,984.41/13,223,656.32
  6. Step 6: Final answer
    x = 10,133,914.97

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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.