Home / 30,640,107.38-42,282,075.63-16,701,155.81

Finding the Fourth Proportional to 30,640,107.38, 42,282,075.63 and 16,701,155.81

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Solution

The fourth proportional to 30,640,107.38, 42,282,075.63 and 16,701,155.81 is: 23,046,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,640,107.38 : 42,282,075.63 = 16,701,155.81 : x
  2. Step 2: Convert to fraction form
    30,640,107.38/42,282,075.63 = 16,701,155.81/x
  3. Step 3: Cross multiply
    30,640,107.38x = 42,282,075.63 × 16,701,155.81
  4. Step 4: Simplify right side
    30,640,107.38x = 706,159,533,076,610.62
  5. Step 5: Solve for x
    x = 706,159,533,076,610.62/30,640,107.38
  6. Step 6: Final answer
    x = 23,046,901.38

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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.