Home / 30,527,642.28-42,129,760.74-17,299,386.76

Finding the Fourth Proportional to 30,527,642.28, 42,129,760.74 and 17,299,386.76

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Solution

The fourth proportional to 30,527,642.28, 42,129,760.74 and 17,299,386.76 is: 23,874,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,527,642.28 : 42,129,760.74 = 17,299,386.76 : x
  2. Step 2: Convert to fraction form
    30,527,642.28/42,129,760.74 = 17,299,386.76/x
  3. Step 3: Cross multiply
    30,527,642.28x = 42,129,760.74 × 17,299,386.76
  4. Step 4: Simplify right side
    30,527,642.28x = 728,819,025,147,523.88
  5. Step 5: Solve for x
    x = 728,819,025,147,523.88/30,527,642.28
  6. Step 6: Final answer
    x = 23,874,068.57

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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.