Home / 28,508,007.15-42,762,010.73-9,339,389.55

Finding the Fourth Proportional to 28,508,007.15, 42,762,010.73 and 9,339,389.55

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Solution

The fourth proportional to 28,508,007.15, 42,762,010.73 and 9,339,389.55 is: 14,009,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508,007.15 : 42,762,010.73 = 9,339,389.55 : x
  2. Step 2: Convert to fraction form
    28,508,007.15/42,762,010.73 = 9,339,389.55/x
  3. Step 3: Cross multiply
    28,508,007.15x = 42,762,010.73 × 9,339,389.55
  4. Step 4: Simplify right side
    28,508,007.15x = 399,371,076,102,053
  5. Step 5: Solve for x
    x = 399,371,076,102,053/28,508,007.15
  6. Step 6: Final answer
    x = 14,009,084.33

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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.