Home / 30,748,356.54-42,430,710.06-17,693,508.42

Finding the Fourth Proportional to 30,748,356.54, 42,430,710.06 and 17,693,508.42

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Solution

The fourth proportional to 30,748,356.54, 42,430,710.06 and 17,693,508.42 is: 24,415,878.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,748,356.54 : 42,430,710.06 = 17,693,508.42 : x
  2. Step 2: Convert to fraction form
    30,748,356.54/42,430,710.06 = 17,693,508.42/x
  3. Step 3: Cross multiply
    30,748,356.54x = 42,430,710.06 × 17,693,508.42
  4. Step 4: Simplify right side
    30,748,356.54x = 750,748,125,713,188.88
  5. Step 5: Solve for x
    x = 750,748,125,713,188.88/30,748,356.54
  6. Step 6: Final answer
    x = 24,415,878.12

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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.