Home / 7,742,091.12-10,684,360.52-4,257,694.80

Finding the Fourth Proportional to 7,742,091.12, 10,684,360.52 and 4,257,694.80

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Solution

The fourth proportional to 7,742,091.12, 10,684,360.52 and 4,257,694.80 is: 5,875,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742,091.12 : 10,684,360.52 = 4,257,694.80 : x
  2. Step 2: Convert to fraction form
    7,742,091.12/10,684,360.52 = 4,257,694.80/x
  3. Step 3: Cross multiply
    7,742,091.12x = 10,684,360.52 × 4,257,694.80
  4. Step 4: Simplify right side
    7,742,091.12x = 45,490,746,227,329.29
  5. Step 5: Solve for x
    x = 45,490,746,227,329.29/7,742,091.12
  6. Step 6: Final answer
    x = 5,875,769.93

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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.