Home / 31,938,899.60-47,915,347.80-10,369,830.80

Finding the Fourth Proportional to 31,938,899.60, 47,915,347.80 and 10,369,830.80

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Solution

The fourth proportional to 31,938,899.60, 47,915,347.80 and 10,369,830.80 is: 15,557,018.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,938,899.60 : 47,915,347.80 = 10,369,830.80 : x
  2. Step 2: Convert to fraction form
    31,938,899.60/47,915,347.80 = 10,369,830.80/x
  3. Step 3: Cross multiply
    31,938,899.60x = 47,915,347.80 × 10,369,830.80
  4. Step 4: Simplify right side
    31,938,899.60x = 496,874,049,409,152.25
  5. Step 5: Solve for x
    x = 496,874,049,409,152.25/31,938,899.60
  6. Step 6: Final answer
    x = 15,557,018.42

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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.