Home / 30,680,298.90-42,333,880.77-17,448,078.42

Finding the Fourth Proportional to 30,680,298.90, 42,333,880.77 and 17,448,078.42

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Solution

The fourth proportional to 30,680,298.90, 42,333,880.77 and 17,448,078.42 is: 24,075,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680,298.90 : 42,333,880.77 = 17,448,078.42 : x
  2. Step 2: Convert to fraction form
    30,680,298.90/42,333,880.77 = 17,448,078.42/x
  3. Step 3: Cross multiply
    30,680,298.90x = 42,333,880.77 × 17,448,078.42
  4. Step 4: Simplify right side
    30,680,298.90x = 738,644,871,497,890.12
  5. Step 5: Solve for x
    x = 738,644,871,497,890.12/30,680,298.90
  6. Step 6: Final answer
    x = 24,075,543.52

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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.