Home / 7,119,686.68-10,709,836.37-6,453,798.10

Finding the Fourth Proportional to 7,119,686.68, 10,709,836.37 and 6,453,798.10

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Solution

The fourth proportional to 7,119,686.68, 10,709,836.37 and 6,453,798.10 is: 9,708,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,686.68 : 10,709,836.37 = 6,453,798.10 : x
  2. Step 2: Convert to fraction form
    7,119,686.68/10,709,836.37 = 6,453,798.10/x
  3. Step 3: Cross multiply
    7,119,686.68x = 10,709,836.37 × 6,453,798.10
  4. Step 4: Simplify right side
    7,119,686.68x = 69,119,121,616,016.89
  5. Step 5: Solve for x
    x = 69,119,121,616,016.89/7,119,686.68
  6. Step 6: Final answer
    x = 9,708,169.01

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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.