Home / 13,949,640-19,258,395.84-9,059,235.84

Finding the Fourth Proportional to 13,949,640, 19,258,395.84 and 9,059,235.84

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Solution

The fourth proportional to 13,949,640, 19,258,395.84 and 9,059,235.84 is: 12,506,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949,640 : 19,258,395.84 = 9,059,235.84 : x
  2. Step 2: Convert to fraction form
    13,949,640/19,258,395.84 = 9,059,235.84/x
  3. Step 3: Cross multiply
    13,949,640x = 19,258,395.84 × 9,059,235.84
  4. Step 4: Simplify right side
    13,949,640x = 174,466,349,814,634.91
  5. Step 5: Solve for x
    x = 174,466,349,814,634.91/13,949,640
  6. Step 6: Final answer
    x = 12,506,871.13

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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.