Home / 12,440,212.02-18,668,726.15-4,353,259.21

Finding the Fourth Proportional to 12,440,212.02, 18,668,726.15 and 4,353,259.21

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Solution

The fourth proportional to 12,440,212.02, 18,668,726.15 and 4,353,259.21 is: 6,532,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440,212.02 : 18,668,726.15 = 4,353,259.21 : x
  2. Step 2: Convert to fraction form
    12,440,212.02/18,668,726.15 = 4,353,259.21/x
  3. Step 3: Cross multiply
    12,440,212.02x = 18,668,726.15 × 4,353,259.21
  4. Step 4: Simplify right side
    12,440,212.02x = 81,269,803,983,017.22
  5. Step 5: Solve for x
    x = 81,269,803,983,017.22/12,440,212.02
  6. Step 6: Final answer
    x = 6,532,831.10

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1.5x scale

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.