Home / 8,477,970.28-12,718,940.10-2,798,189.14

Finding the Fourth Proportional to 8,477,970.28, 12,718,940.10 and 2,798,189.14

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Solution

The fourth proportional to 8,477,970.28, 12,718,940.10 and 2,798,189.14 is: 4,197,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477,970.28 : 12,718,940.10 = 2,798,189.14 : x
  2. Step 2: Convert to fraction form
    8,477,970.28/12,718,940.10 = 2,798,189.14/x
  3. Step 3: Cross multiply
    8,477,970.28x = 12,718,940.10 × 2,798,189.14
  4. Step 4: Simplify right side
    8,477,970.28x = 35,590,000,060,130.52
  5. Step 5: Solve for x
    x = 35,590,000,060,130.52/8,477,970.28
  6. Step 6: Final answer
    x = 4,197,938.76

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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.