Home / 8,266,117.80-12,377,058.30-5,258,015.40

Finding the Fourth Proportional to 8,266,117.80, 12,377,058.30 and 5,258,015.40

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Solution

The fourth proportional to 8,266,117.80, 12,377,058.30 and 5,258,015.40 is: 7,872,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266,117.80 : 12,377,058.30 = 5,258,015.40 : x
  2. Step 2: Convert to fraction form
    8,266,117.80/12,377,058.30 = 5,258,015.40/x
  3. Step 3: Cross multiply
    8,266,117.80x = 12,377,058.30 × 5,258,015.40
  4. Step 4: Simplify right side
    8,266,117.80x = 65,078,763,148,097.83
  5. Step 5: Solve for x
    x = 65,078,763,148,097.83/8,266,117.80
  6. Step 6: Final answer
    x = 7,872,953.75

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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.