Home / 19,326,461.46-28,968,434.01-7,960,709.94

Finding the Fourth Proportional to 19,326,461.46, 28,968,434.01 and 7,960,709.94

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Solution

The fourth proportional to 19,326,461.46, 28,968,434.01 and 7,960,709.94 is: 11,932,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326,461.46 : 28,968,434.01 = 7,960,709.94 : x
  2. Step 2: Convert to fraction form
    19,326,461.46/28,968,434.01 = 7,960,709.94/x
  3. Step 3: Cross multiply
    19,326,461.46x = 28,968,434.01 × 7,960,709.94
  4. Step 4: Simplify right side
    19,326,461.46x = 230,609,300,569,641.09
  5. Step 5: Solve for x
    x = 230,609,300,569,641.09/19,326,461.46
  6. Step 6: Final answer
    x = 11,932,308.51

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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.