Home / 8,756,827.72-13,130,831.72-2,918,946.54

Finding the Fourth Proportional to 8,756,827.72, 13,130,831.72 and 2,918,946.54

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Solution

The fourth proportional to 8,756,827.72, 13,130,831.72 and 2,918,946.54 is: 4,376,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756,827.72 : 13,130,831.72 = 2,918,946.54 : x
  2. Step 2: Convert to fraction form
    8,756,827.72/13,130,831.72 = 2,918,946.54/x
  3. Step 3: Cross multiply
    8,756,827.72x = 13,130,831.72 × 2,918,946.54
  4. Step 4: Simplify right side
    8,756,827.72x = 38,328,195,816,416.25
  5. Step 5: Solve for x
    x = 38,328,195,816,416.25/8,756,827.72
  6. Step 6: Final answer
    x = 4,376,949.85

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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.