Home / 39,801,963.40-59,702,945.10-12,875,619.40

Finding the Fourth Proportional to 39,801,963.40, 59,702,945.10 and 12,875,619.40

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Solution

The fourth proportional to 39,801,963.40, 59,702,945.10 and 12,875,619.40 is: 19,313,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801,963.40 : 59,702,945.10 = 12,875,619.40 : x
  2. Step 2: Convert to fraction form
    39,801,963.40/59,702,945.10 = 12,875,619.40/x
  3. Step 3: Cross multiply
    39,801,963.40x = 59,702,945.10 × 12,875,619.40
  4. Step 4: Simplify right side
    39,801,963.40x = 768,712,398,166,695
  5. Step 5: Solve for x
    x = 768,712,398,166,695/39,801,963.40
  6. Step 6: Final answer
    x = 19,313,429.10

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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.