Home / 7,164,768.72-9,870,563.08-4,985,564.24

Finding the Fourth Proportional to 7,164,768.72, 9,870,563.08 and 4,985,564.24

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Solution

The fourth proportional to 7,164,768.72, 9,870,563.08 and 4,985,564.24 is: 6,868,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,768.72 : 9,870,563.08 = 4,985,564.24 : x
  2. Step 2: Convert to fraction form
    7,164,768.72/9,870,563.08 = 4,985,564.24/x
  3. Step 3: Cross multiply
    7,164,768.72x = 9,870,563.08 × 4,985,564.24
  4. Step 4: Simplify right side
    7,164,768.72x = 49,210,326,320,312.27
  5. Step 5: Solve for x
    x = 49,210,326,320,312.27/7,164,768.72
  6. Step 6: Final answer
    x = 6,868,376.11

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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.