Home / 13,585,598.37-18,748,247.72-7,390,780.34

Finding the Fourth Proportional to 13,585,598.37, 18,748,247.72 and 7,390,780.34

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Solution

The fourth proportional to 13,585,598.37, 18,748,247.72 and 7,390,780.34 is: 10,199,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,598.37 : 18,748,247.72 = 7,390,780.34 : x
  2. Step 2: Convert to fraction form
    13,585,598.37/18,748,247.72 = 7,390,780.34/x
  3. Step 3: Cross multiply
    13,585,598.37x = 18,748,247.72 × 7,390,780.34
  4. Step 4: Simplify right side
    13,585,598.37x = 138,564,180,527,730.69
  5. Step 5: Solve for x
    x = 138,564,180,527,730.69/13,585,598.37
  6. Step 6: Final answer
    x = 10,199,343.21

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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.