Home / 39,856,541.40-59,784,812.10-12,930,197.40

Finding the Fourth Proportional to 39,856,541.40, 59,784,812.10 and 12,930,197.40

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Solution

The fourth proportional to 39,856,541.40, 59,784,812.10 and 12,930,197.40 is: 19,395,296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,856,541.40 : 59,784,812.10 = 12,930,197.40 : x
  2. Step 2: Convert to fraction form
    39,856,541.40/59,784,812.10 = 12,930,197.40/x
  3. Step 3: Cross multiply
    39,856,541.40x = 59,784,812.10 × 12,930,197.40
  4. Step 4: Simplify right side
    39,856,541.40x = 773,029,421,974,908.62
  5. Step 5: Solve for x
    x = 773,029,421,974,908.62/39,856,541.40
  6. Step 6: Final answer
    x = 19,395,296.10

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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.