Home / 12,476,411.70-18,714,617.55-7,668,510.90

Finding the Fourth Proportional to 12,476,411.70, 18,714,617.55 and 7,668,510.90

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Solution

The fourth proportional to 12,476,411.70, 18,714,617.55 and 7,668,510.90 is: 11,502,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,411.70 : 18,714,617.55 = 7,668,510.90 : x
  2. Step 2: Convert to fraction form
    12,476,411.70/18,714,617.55 = 7,668,510.90/x
  3. Step 3: Cross multiply
    12,476,411.70x = 18,714,617.55 × 7,668,510.90
  4. Step 4: Simplify right side
    12,476,411.70x = 143,513,248,671,506.31
  5. Step 5: Solve for x
    x = 143,513,248,671,506.31/12,476,411.70
  6. Step 6: Final answer
    x = 11,502,766.35

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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.