Home / 13,443,390.12-20,164,981.50-3,345,943.08

Finding the Fourth Proportional to 13,443,390.12, 20,164,981.50 and 3,345,943.08

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Solution

The fourth proportional to 13,443,390.12, 20,164,981.50 and 3,345,943.08 is: 5,018,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,390.12 : 20,164,981.50 = 3,345,943.08 : x
  2. Step 2: Convert to fraction form
    13,443,390.12/20,164,981.50 = 3,345,943.08/x
  3. Step 3: Cross multiply
    13,443,390.12x = 20,164,981.50 × 3,345,943.08
  4. Step 4: Simplify right side
    13,443,390.12x = 67,470,880,308,253.02
  5. Step 5: Solve for x
    x = 67,470,880,308,253.02/13,443,390.12
  6. Step 6: Final answer
    x = 5,018,888.81

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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.