Home / 14,271,819.95-19,695,181.63-7,745,456.90

Finding the Fourth Proportional to 14,271,819.95, 19,695,181.63 and 7,745,456.90

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Solution

The fourth proportional to 14,271,819.95, 19,695,181.63 and 7,745,456.90 is: 10,688,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271,819.95 : 19,695,181.63 = 7,745,456.90 : x
  2. Step 2: Convert to fraction form
    14,271,819.95/19,695,181.63 = 7,745,456.90/x
  3. Step 3: Cross multiply
    14,271,819.95x = 19,695,181.63 × 7,745,456.90
  4. Step 4: Simplify right side
    14,271,819.95x = 152,548,180,354,360.81
  5. Step 5: Solve for x
    x = 152,548,180,354,360.81/14,271,819.95
  6. Step 6: Final answer
    x = 10,688,768.56

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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.