Home / 8,680,005.20-13,020,007.80-2,376,261.20

Finding the Fourth Proportional to 8,680,005.20, 13,020,007.80 and 2,376,261.20

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Solution

The fourth proportional to 8,680,005.20, 13,020,007.80 and 2,376,261.20 is: 3,564,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,005.20 : 13,020,007.80 = 2,376,261.20 : x
  2. Step 2: Convert to fraction form
    8,680,005.20/13,020,007.80 = 2,376,261.20/x
  3. Step 3: Cross multiply
    8,680,005.20x = 13,020,007.80 × 2,376,261.20
  4. Step 4: Simplify right side
    8,680,005.20x = 30,938,939,358,837.36
  5. Step 5: Solve for x
    x = 30,938,939,358,837.36/8,680,005.20
  6. Step 6: Final answer
    x = 3,564,391.80

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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.