Home / 28,331,938.80-42,497,908.20-22,167,223.20

Finding the Fourth Proportional to 28,331,938.80, 42,497,908.20 and 22,167,223.20

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Solution

The fourth proportional to 28,331,938.80, 42,497,908.20 and 22,167,223.20 is: 33,250,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,938.80 : 42,497,908.20 = 22,167,223.20 : x
  2. Step 2: Convert to fraction form
    28,331,938.80/42,497,908.20 = 22,167,223.20/x
  3. Step 3: Cross multiply
    28,331,938.80x = 42,497,908.20 × 22,167,223.20
  4. Step 4: Simplify right side
    28,331,938.80x = 942,060,616,602,510.25
  5. Step 5: Solve for x
    x = 942,060,616,602,510.25/28,331,938.80
  6. Step 6: Final answer
    x = 33,250,834.80

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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.