Home / 8,898,745.16-12,280,745.14-4,978,267.42

Finding the Fourth Proportional to 8,898,745.16, 12,280,745.14 and 4,978,267.42

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Solution

The fourth proportional to 8,898,745.16, 12,280,745.14 and 4,978,267.42 is: 6,870,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898,745.16 : 12,280,745.14 = 4,978,267.42 : x
  2. Step 2: Convert to fraction form
    8,898,745.16/12,280,745.14 = 4,978,267.42/x
  3. Step 3: Cross multiply
    8,898,745.16x = 12,280,745.14 × 4,978,267.42
  4. Step 4: Simplify right side
    8,898,745.16x = 61,136,833,337,490.27
  5. Step 5: Solve for x
    x = 61,136,833,337,490.27/8,898,745.16
  6. Step 6: Final answer
    x = 6,870,275.78

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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.