Home / 10,586,715.30-15,844,643.55-7,398,069.30

Finding the Fourth Proportional to 10,586,715.30, 15,844,643.55 and 7,398,069.30

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Solution

The fourth proportional to 10,586,715.30, 15,844,643.55 and 7,398,069.30 is: 11,072,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586,715.30 : 15,844,643.55 = 7,398,069.30 : x
  2. Step 2: Convert to fraction form
    10,586,715.30/15,844,643.55 = 7,398,069.30/x
  3. Step 3: Cross multiply
    10,586,715.30x = 15,844,643.55 × 7,398,069.30
  4. Step 4: Simplify right side
    10,586,715.30x = 117,219,771,016,698.02
  5. Step 5: Solve for x
    x = 117,219,771,016,698.02/10,586,715.30
  6. Step 6: Final answer
    x = 11,072,345.64

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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.