Home / 30,949,051.65-42,710,078.31-17,011,928.40

Finding the Fourth Proportional to 30,949,051.65, 42,710,078.31 and 17,011,928.40

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Solution

The fourth proportional to 30,949,051.65, 42,710,078.31 and 17,011,928.40 is: 23,476,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,949,051.65 : 42,710,078.31 = 17,011,928.40 : x
  2. Step 2: Convert to fraction form
    30,949,051.65/42,710,078.31 = 17,011,928.40/x
  3. Step 3: Cross multiply
    30,949,051.65x = 42,710,078.31 × 17,011,928.40
  4. Step 4: Simplify right side
    30,949,051.65x = 726,580,794,168,113
  5. Step 5: Solve for x
    x = 726,580,794,168,113/30,949,051.65
  6. Step 6: Final answer
    x = 23,476,673.93

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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.