Home / 21,326,798.58-29,430,893.70-11,537,219.78

Finding the Fourth Proportional to 21,326,798.58, 29,430,893.70 and 11,537,219.78

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Solution

The fourth proportional to 21,326,798.58, 29,430,893.70 and 11,537,219.78 is: 15,921,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,326,798.58 : 29,430,893.70 = 11,537,219.78 : x
  2. Step 2: Convert to fraction form
    21,326,798.58/29,430,893.70 = 11,537,219.78/x
  3. Step 3: Cross multiply
    21,326,798.58x = 29,430,893.70 × 11,537,219.78
  4. Step 4: Simplify right side
    21,326,798.58x = 339,550,688,938,717.38
  5. Step 5: Solve for x
    x = 339,550,688,938,717.38/21,326,798.58
  6. Step 6: Final answer
    x = 15,921,315.51

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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.