Home / 34,261,123.68-47,228,045.19-21,005,760.36

Finding the Fourth Proportional to 34,261,123.68, 47,228,045.19 and 21,005,760.36

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Solution

The fourth proportional to 34,261,123.68, 47,228,045.19 and 21,005,760.36 is: 28,955,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,261,123.68 : 47,228,045.19 = 21,005,760.36 : x
  2. Step 2: Convert to fraction form
    34,261,123.68/47,228,045.19 = 21,005,760.36/x
  3. Step 3: Cross multiply
    34,261,123.68x = 47,228,045.19 × 21,005,760.36
  4. Step 4: Simplify right side
    34,261,123.68x = 992,060,999,532,390.62
  5. Step 5: Solve for x
    x = 992,060,999,532,390.62/34,261,123.68
  6. Step 6: Final answer
    x = 28,955,880.40

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1.5x scale

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.