Home / 30,881,166.40-42,621,120.48-17,134,559.20

Finding the Fourth Proportional to 30,881,166.40, 42,621,120.48 and 17,134,559.20

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Solution

The fourth proportional to 30,881,166.40, 42,621,120.48 and 17,134,559.20 is: 23,648,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881,166.40 : 42,621,120.48 = 17,134,559.20 : x
  2. Step 2: Convert to fraction form
    30,881,166.40/42,621,120.48 = 17,134,559.20/x
  3. Step 3: Cross multiply
    30,881,166.40x = 42,621,120.48 × 17,134,559.20
  4. Step 4: Simplify right side
    30,881,166.40x = 730,294,112,034,892.38
  5. Step 5: Solve for x
    x = 730,294,112,034,892.38/30,881,166.40
  6. Step 6: Final answer
    x = 23,648,527.47

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Double scale
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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.