Home / 8,989,746.12-12,409,223.20-5,892,469

Finding the Fourth Proportional to 8,989,746.12, 12,409,223.20 and 5,892,469

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Solution

The fourth proportional to 8,989,746.12, 12,409,223.20 and 5,892,469 is: 8,133,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,746.12 : 12,409,223.20 = 5,892,469 : x
  2. Step 2: Convert to fraction form
    8,989,746.12/12,409,223.20 = 5,892,469/x
  3. Step 3: Cross multiply
    8,989,746.12x = 12,409,223.20 × 5,892,469
  4. Step 4: Simplify right side
    8,989,746.12x = 73,120,963,020,080.80
  5. Step 5: Solve for x
    x = 73,120,963,020,080.80/8,989,746.12
  6. Step 6: Final answer
    x = 8,133,818.47

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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.