Home / 7,870,145.06-10,861,575-4,606,761.98

Finding the Fourth Proportional to 7,870,145.06, 10,861,575 and 4,606,761.98

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Solution

The fourth proportional to 7,870,145.06, 10,861,575 and 4,606,761.98 is: 6,357,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870,145.06 : 10,861,575 = 4,606,761.98 : x
  2. Step 2: Convert to fraction form
    7,870,145.06/10,861,575 = 4,606,761.98/x
  3. Step 3: Cross multiply
    7,870,145.06x = 10,861,575 × 4,606,761.98
  4. Step 4: Simplify right side
    7,870,145.06x = 50,036,690,752,918.51
  5. Step 5: Solve for x
    x = 50,036,690,752,918.51/7,870,145.06
  6. Step 6: Final answer
    x = 6,357,785.07

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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.