Home / 28,274,491.40-42,417,266.70-12,100,411.40

Finding the Fourth Proportional to 28,274,491.40, 42,417,266.70 and 12,100,411.40

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Solution

The fourth proportional to 28,274,491.40, 42,417,266.70 and 12,100,411.40 is: 18,152,983.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,274,491.40 : 42,417,266.70 = 12,100,411.40 : x
  2. Step 2: Convert to fraction form
    28,274,491.40/42,417,266.70 = 12,100,411.40/x
  3. Step 3: Cross multiply
    28,274,491.40x = 42,417,266.70 × 12,100,411.40
  4. Step 4: Simplify right side
    28,274,491.40x = 513,266,377,533,520.44
  5. Step 5: Solve for x
    x = 513,266,377,533,520.44/28,274,491.40
  6. Step 6: Final answer
    x = 18,152,983.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.