Home / 19,561,971.20-29,344,252.80-5,184,838.40

Finding the Fourth Proportional to 19,561,971.20, 29,344,252.80 and 5,184,838.40

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Solution

The fourth proportional to 19,561,971.20, 29,344,252.80 and 5,184,838.40 is: 7,777,601.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,971.20 : 29,344,252.80 = 5,184,838.40 : x
  2. Step 2: Convert to fraction form
    19,561,971.20/29,344,252.80 = 5,184,838.40/x
  3. Step 3: Cross multiply
    19,561,971.20x = 29,344,252.80 × 5,184,838.40
  4. Step 4: Simplify right side
    19,561,971.20x = 152,145,208,736,747.53
  5. Step 5: Solve for x
    x = 152,145,208,736,747.53/19,561,971.20
  6. Step 6: Final answer
    x = 7,777,601.10

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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.