Home / 10,320,666.60-15,480,999.90-6,919,444.20

Finding the Fourth Proportional to 10,320,666.60, 15,480,999.90 and 6,919,444.20

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Solution

The fourth proportional to 10,320,666.60, 15,480,999.90 and 6,919,444.20 is: 10,379,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320,666.60 : 15,480,999.90 = 6,919,444.20 : x
  2. Step 2: Convert to fraction form
    10,320,666.60/15,480,999.90 = 6,919,444.20/x
  3. Step 3: Cross multiply
    10,320,666.60x = 15,480,999.90 × 6,919,444.20
  4. Step 4: Simplify right side
    10,320,666.60x = 107,119,914,968,255.58
  5. Step 5: Solve for x
    x = 107,119,914,968,255.58/10,320,666.60
  6. Step 6: Final answer
    x = 10,379,166.30

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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.