Home / 10,206,005.40-15,309,008.10-9,969,809.40

Finding the Fourth Proportional to 10,206,005.40, 15,309,008.10 and 9,969,809.40

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Solution

The fourth proportional to 10,206,005.40, 15,309,008.10 and 9,969,809.40 is: 14,954,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206,005.40 : 15,309,008.10 = 9,969,809.40 : x
  2. Step 2: Convert to fraction form
    10,206,005.40/15,309,008.10 = 9,969,809.40/x
  3. Step 3: Cross multiply
    10,206,005.40x = 15,309,008.10 × 9,969,809.40
  4. Step 4: Simplify right side
    10,206,005.40x = 152,627,892,860,056.16
  5. Step 5: Solve for x
    x = 152,627,892,860,056.16/10,206,005.40
  6. Step 6: Final answer
    x = 14,954,714.10

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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.