Home / 8,315,141.90-12,483,210.45-4,480,018.70

Finding the Fourth Proportional to 8,315,141.90, 12,483,210.45 and 4,480,018.70

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Solution

The fourth proportional to 8,315,141.90, 12,483,210.45 and 4,480,018.70 is: 6,725,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,141.90 : 12,483,210.45 = 4,480,018.70 : x
  2. Step 2: Convert to fraction form
    8,315,141.90/12,483,210.45 = 4,480,018.70/x
  3. Step 3: Cross multiply
    8,315,141.90x = 12,483,210.45 × 4,480,018.70
  4. Step 4: Simplify right side
    8,315,141.90x = 55,925,016,252,035.41
  5. Step 5: Solve for x
    x = 55,925,016,252,035.41/8,315,141.90
  6. Step 6: Final answer
    x = 6,725,683.93

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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.