Home / 13,759,811.61-18,988,552.18-7,564,963.72

Finding the Fourth Proportional to 13,759,811.61, 18,988,552.18 and 7,564,963.72

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Solution

The fourth proportional to 13,759,811.61, 18,988,552.18 and 7,564,963.72 is: 10,439,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,811.61 : 18,988,552.18 = 7,564,963.72 : x
  2. Step 2: Convert to fraction form
    13,759,811.61/18,988,552.18 = 7,564,963.72/x
  3. Step 3: Cross multiply
    13,759,811.61x = 18,988,552.18 × 7,564,963.72
  4. Step 4: Simplify right side
    13,759,811.61x = 143,647,708,337,026.91
  5. Step 5: Solve for x
    x = 143,647,708,337,026.91/13,759,811.61
  6. Step 6: Final answer
    x = 10,439,656.62

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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.