Home / 9,966,112.20-14,949,168.30-8,989,835.40

Finding the Fourth Proportional to 9,966,112.20, 14,949,168.30 and 8,989,835.40

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Solution

The fourth proportional to 9,966,112.20, 14,949,168.30 and 8,989,835.40 is: 13,484,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,112.20 : 14,949,168.30 = 8,989,835.40 : x
  2. Step 2: Convert to fraction form
    9,966,112.20/14,949,168.30 = 8,989,835.40/x
  3. Step 3: Cross multiply
    9,966,112.20x = 14,949,168.30 × 8,989,835.40
  4. Step 4: Simplify right side
    9,966,112.20x = 134,390,562,383,897.83
  5. Step 5: Solve for x
    x = 134,390,562,383,897.83/9,966,112.20
  6. Step 6: Final answer
    x = 13,484,753.10

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1.5x scale

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.