Home / 9,181,806.10-13,772,709.15-3,123,378.70

Finding the Fourth Proportional to 9,181,806.10, 13,772,709.15 and 3,123,378.70

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Solution

The fourth proportional to 9,181,806.10, 13,772,709.15 and 3,123,378.70 is: 4,685,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,806.10 : 13,772,709.15 = 3,123,378.70 : x
  2. Step 2: Convert to fraction form
    9,181,806.10/13,772,709.15 = 3,123,378.70/x
  3. Step 3: Cross multiply
    9,181,806.10x = 13,772,709.15 × 3,123,378.70
  4. Step 4: Simplify right side
    9,181,806.10x = 43,017,386,400,405.11
  5. Step 5: Solve for x
    x = 43,017,386,400,405.11/9,181,806.10
  6. Step 6: Final answer
    x = 4,685,068.05

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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.