Home / 28,446,039.33-39,255,637.65-15,393,296.76

Finding the Fourth Proportional to 28,446,039.33, 39,255,637.65 and 15,393,296.76

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Solution

The fourth proportional to 28,446,039.33, 39,255,637.65 and 15,393,296.76 is: 21,242,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,039.33 : 39,255,637.65 = 15,393,296.76 : x
  2. Step 2: Convert to fraction form
    28,446,039.33/39,255,637.65 = 15,393,296.76/x
  3. Step 3: Cross multiply
    28,446,039.33x = 39,255,637.65 × 15,393,296.76
  4. Step 4: Simplify right side
    28,446,039.33x = 604,273,679,849,479
  5. Step 5: Solve for x
    x = 604,273,679,849,479/28,446,039.33
  6. Step 6: Final answer
    x = 21,242,805.47

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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.