Home / 12,011,831.20-18,018,730.14-3,492,157.24

Finding the Fourth Proportional to 12,011,831.20, 18,018,730.14 and 3,492,157.24

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Solution

The fourth proportional to 12,011,831.20, 18,018,730.14 and 3,492,157.24 is: 5,238,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,831.20 : 18,018,730.14 = 3,492,157.24 : x
  2. Step 2: Convert to fraction form
    12,011,831.20/18,018,730.14 = 3,492,157.24/x
  3. Step 3: Cross multiply
    12,011,831.20x = 18,018,730.14 × 3,492,157.24
  4. Step 4: Simplify right side
    12,011,831.20x = 62,924,238,914,007.22
  5. Step 5: Solve for x
    x = 62,924,238,914,007.22/12,011,831.20
  6. Step 6: Final answer
    x = 5,238,521.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.