Home / 14,271,820.95-19,695,183.01-7,745,457.90

Finding the Fourth Proportional to 14,271,820.95, 19,695,183.01 and 7,745,457.90

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Solution

The fourth proportional to 14,271,820.95, 19,695,183.01 and 7,745,457.90 is: 10,688,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271,820.95 : 19,695,183.01 = 7,745,457.90 : x
  2. Step 2: Convert to fraction form
    14,271,820.95/19,695,183.01 = 7,745,457.90/x
  3. Step 3: Cross multiply
    14,271,820.95x = 19,695,183.01 × 7,745,457.90
  4. Step 4: Simplify right side
    14,271,820.95x = 152,548,210,836,750.31
  5. Step 5: Solve for x
    x = 152,548,210,836,750.31/14,271,820.95
  6. Step 6: Final answer
    x = 10,688,769.95

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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.