Home / 34,369,494.61-47,429,844.78-19,689,913.21

Finding the Fourth Proportional to 34,369,494.61, 47,429,844.78 and 19,689,913.21

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Solution

The fourth proportional to 34,369,494.61, 47,429,844.78 and 19,689,913.21 is: 27,172,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,369,494.61 : 47,429,844.78 = 19,689,913.21 : x
  2. Step 2: Convert to fraction form
    34,369,494.61/47,429,844.78 = 19,689,913.21/x
  3. Step 3: Cross multiply
    34,369,494.61x = 47,429,844.78 × 19,689,913.21
  4. Step 4: Simplify right side
    34,369,494.61x = 933,889,527,281,971.62
  5. Step 5: Solve for x
    x = 933,889,527,281,971.62/34,369,494.61
  6. Step 6: Final answer
    x = 27,172,047.13

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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.