Home / 19,788,755.40-29,641,374.72-15,877,034.21

Finding the Fourth Proportional to 19,788,755.40, 29,641,374.72 and 15,877,034.21

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Solution

The fourth proportional to 19,788,755.40, 29,641,374.72 and 15,877,034.21 is: 23,782,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788,755.40 : 29,641,374.72 = 15,877,034.21 : x
  2. Step 2: Convert to fraction form
    19,788,755.40/29,641,374.72 = 15,877,034.21/x
  3. Step 3: Cross multiply
    19,788,755.40x = 29,641,374.72 × 15,877,034.21
  4. Step 4: Simplify right side
    19,788,755.40x = 470,617,120,270,756.31
  5. Step 5: Solve for x
    x = 470,617,120,270,756.31/19,788,755.40
  6. Step 6: Final answer
    x = 23,782,047.47

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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.