Home / 10,977,510-15,148,963.80-6,685,158

Finding the Fourth Proportional to 10,977,510, 15,148,963.80 and 6,685,158

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Solution

The fourth proportional to 10,977,510, 15,148,963.80 and 6,685,158 is: 9,225,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977,510 : 15,148,963.80 = 6,685,158 : x
  2. Step 2: Convert to fraction form
    10,977,510/15,148,963.80 = 6,685,158/x
  3. Step 3: Cross multiply
    10,977,510x = 15,148,963.80 × 6,685,158
  4. Step 4: Simplify right side
    10,977,510x = 101,273,216,539,280.41
  5. Step 5: Solve for x
    x = 101,273,216,539,280.41/10,977,510
  6. Step 6: Final answer
    x = 9,225,518.04

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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.