Home / 7,191,870.24-9,925,082.64-4,136,086.92

Finding the Fourth Proportional to 7,191,870.24, 9,925,082.64 and 4,136,086.92

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Solution

The fourth proportional to 7,191,870.24, 9,925,082.64 and 4,136,086.92 is: 5,707,973.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,870.24 : 9,925,082.64 = 4,136,086.92 : x
  2. Step 2: Convert to fraction form
    7,191,870.24/9,925,082.64 = 4,136,086.92/x
  3. Step 3: Cross multiply
    7,191,870.24x = 9,925,082.64 × 4,136,086.92
  4. Step 4: Simplify right side
    7,191,870.24x = 41,051,004,487,223.07
  5. Step 5: Solve for x
    x = 41,051,004,487,223.07/7,191,870.24
  6. Step 6: Final answer
    x = 5,707,973.46

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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.