Home / 31,699,943.34-47,516,731.08-13,266,450.35

Finding the Fourth Proportional to 31,699,943.34, 47,516,731.08 and 13,266,450.35

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Solution

The fourth proportional to 31,699,943.34, 47,516,731.08 and 13,266,450.35 is: 19,885,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,699,943.34 : 47,516,731.08 = 13,266,450.35 : x
  2. Step 2: Convert to fraction form
    31,699,943.34/47,516,731.08 = 13,266,450.35/x
  3. Step 3: Cross multiply
    31,699,943.34x = 47,516,731.08 × 13,266,450.35
  4. Step 4: Simplify right side
    31,699,943.34x = 630,378,353,557,976.88
  5. Step 5: Solve for x
    x = 630,378,353,557,976.88/31,699,943.34
  6. Step 6: Final answer
    x = 19,885,788.02

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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.