Home / 28,833,135.90-39,789,832.98-15,602,312.94

Finding the Fourth Proportional to 28,833,135.90, 39,789,832.98 and 15,602,312.94

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Solution

The fourth proportional to 28,833,135.90, 39,789,832.98 and 15,602,312.94 is: 21,531,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833,135.90 : 39,789,832.98 = 15,602,312.94 : x
  2. Step 2: Convert to fraction form
    28,833,135.90/39,789,832.98 = 15,602,312.94/x
  3. Step 3: Cross multiply
    28,833,135.90x = 39,789,832.98 × 15,602,312.94
  4. Step 4: Simplify right side
    28,833,135.90x = 620,813,425,984,292.75
  5. Step 5: Solve for x
    x = 620,813,425,984,292.75/28,833,135.90
  6. Step 6: Final answer
    x = 21,531,248.91

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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.