Home / 30,486,881.30-42,070,352.54-18,097,504.43

Finding the Fourth Proportional to 30,486,881.30, 42,070,352.54 and 18,097,504.43

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Solution

The fourth proportional to 30,486,881.30, 42,070,352.54 and 18,097,504.43 is: 24,973,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,486,881.30 : 42,070,352.54 = 18,097,504.43 : x
  2. Step 2: Convert to fraction form
    30,486,881.30/42,070,352.54 = 18,097,504.43/x
  3. Step 3: Cross multiply
    30,486,881.30x = 42,070,352.54 × 18,097,504.43
  4. Step 4: Simplify right side
    30,486,881.30x = 761,368,391,163,472.38
  5. Step 5: Solve for x
    x = 761,368,391,163,472.38/30,486,881.30
  6. Step 6: Final answer
    x = 24,973,639.77

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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.