Home / 30,748,390.62-42,430,757.02-17,693,542.45

Finding the Fourth Proportional to 30,748,390.62, 42,430,757.02 and 17,693,542.45

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Solution

The fourth proportional to 30,748,390.62, 42,430,757.02 and 17,693,542.45 is: 24,415,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748,390.62 : 42,430,757.02 = 17,693,542.45 : x
  2. Step 2: Convert to fraction form
    30,748,390.62/42,430,757.02 = 17,693,542.45/x
  3. Step 3: Cross multiply
    30,748,390.62x = 42,430,757.02 × 17,693,542.45
  4. Step 4: Simplify right side
    30,748,390.62x = 750,750,400,627,336.38
  5. Step 5: Solve for x
    x = 750,750,400,627,336.38/30,748,390.62
  6. Step 6: Final answer
    x = 24,415,925.05

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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.