Home / 12,789,411.57-19,197,767.88-5,506,475.58

Finding the Fourth Proportional to 12,789,411.57, 19,197,767.88 and 5,506,475.58

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Solution

The fourth proportional to 12,789,411.57, 19,197,767.88 and 5,506,475.58 is: 8,265,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,411.57 : 19,197,767.88 = 5,506,475.58 : x
  2. Step 2: Convert to fraction form
    12,789,411.57/19,197,767.88 = 5,506,475.58/x
  3. Step 3: Cross multiply
    12,789,411.57x = 19,197,767.88 × 5,506,475.58
  4. Step 4: Simplify right side
    12,789,411.57x = 105,712,040,021,728.36
  5. Step 5: Solve for x
    x = 105,712,040,021,728.36/12,789,411.57
  6. Step 6: Final answer
    x = 8,265,590.60

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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.