Home / 30,828,164.04-42,542,860.03-16,890,013.58

Finding the Fourth Proportional to 30,828,164.04, 42,542,860.03 and 16,890,013.58

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Solution

The fourth proportional to 30,828,164.04, 42,542,860.03 and 16,890,013.58 is: 23,308,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,828,164.04 : 42,542,860.03 = 16,890,013.58 : x
  2. Step 2: Convert to fraction form
    30,828,164.04/42,542,860.03 = 16,890,013.58/x
  3. Step 3: Cross multiply
    30,828,164.04x = 42,542,860.03 × 16,890,013.58
  4. Step 4: Simplify right side
    30,828,164.04x = 718,549,483,341,574.75
  5. Step 5: Solve for x
    x = 718,549,483,341,574.75/30,828,164.04
  6. Step 6: Final answer
    x = 23,308,215.25

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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.