Home / 30,575,466.22-42,178,064.34-18,176,740.11

Finding the Fourth Proportional to 30,575,466.22, 42,178,064.34 and 18,176,740.11

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Solution

The fourth proportional to 30,575,466.22, 42,178,064.34 and 18,176,740.11 is: 25,074,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575,466.22 : 42,178,064.34 = 18,176,740.11 : x
  2. Step 2: Convert to fraction form
    30,575,466.22/42,178,064.34 = 18,176,740.11/x
  3. Step 3: Cross multiply
    30,575,466.22x = 42,178,064.34 × 18,176,740.11
  4. Step 4: Simplify right side
    30,575,466.22x = 766,659,713,919,201.38
  5. Step 5: Solve for x
    x = 766,659,713,919,201.38/30,575,466.22
  6. Step 6: Final answer
    x = 25,074,342.56

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1.5x scale

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.