Home / 30,436,266.91-42,004,705.55-16,687,888.24

Finding the Fourth Proportional to 30,436,266.91, 42,004,705.55 and 16,687,888.24

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Solution

The fourth proportional to 30,436,266.91, 42,004,705.55 and 16,687,888.24 is: 23,030,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436,266.91 : 42,004,705.55 = 16,687,888.24 : x
  2. Step 2: Convert to fraction form
    30,436,266.91/42,004,705.55 = 16,687,888.24/x
  3. Step 3: Cross multiply
    30,436,266.91x = 42,004,705.55 × 16,687,888.24
  4. Step 4: Simplify right side
    30,436,266.91x = 700,969,831,772,507.75
  5. Step 5: Solve for x
    x = 700,969,831,772,507.75/30,436,266.91
  6. Step 6: Final answer
    x = 23,030,742.69

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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.