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Finding the Fourth Proportional to 19,182,693.90, 26,472,146.02 and 10,922,762.90

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Solution

The fourth proportional to 19,182,693.90, 26,472,146.02 and 10,922,762.90 is: 15,073,428.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182,693.90 : 26,472,146.02 = 10,922,762.90 : x
  2. Step 2: Convert to fraction form
    19,182,693.90/26,472,146.02 = 10,922,762.90/x
  3. Step 3: Cross multiply
    19,182,693.90x = 26,472,146.02 × 10,922,762.90
  4. Step 4: Simplify right side
    19,182,693.90x = 289,148,974,430,638.69
  5. Step 5: Solve for x
    x = 289,148,974,430,638.69/19,182,693.90
  6. Step 6: Final answer
    x = 15,073,428.99

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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.