Home / 28,916,280.90-43,445,280.15-21,741,827.40

Finding the Fourth Proportional to 28,916,280.90, 43,445,280.15 and 21,741,827.40

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Solution

The fourth proportional to 28,916,280.90, 43,445,280.15 and 21,741,827.40 is: 32,666,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916,280.90 : 43,445,280.15 = 21,741,827.40 : x
  2. Step 2: Convert to fraction form
    28,916,280.90/43,445,280.15 = 21,741,827.40/x
  3. Step 3: Cross multiply
    28,916,280.90x = 43,445,280.15 × 21,741,827.40
  4. Step 4: Simplify right side
    28,916,280.90x = 944,579,782,365,946
  5. Step 5: Solve for x
    x = 944,579,782,365,946/28,916,280.90
  6. Step 6: Final answer
    x = 32,666,019.04

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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.