Home / 10,932,267.60-16,398,401.40-6,449,605.20

Finding the Fourth Proportional to 10,932,267.60, 16,398,401.40 and 6,449,605.20

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Solution

The fourth proportional to 10,932,267.60, 16,398,401.40 and 6,449,605.20 is: 9,674,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932,267.60 : 16,398,401.40 = 6,449,605.20 : x
  2. Step 2: Convert to fraction form
    10,932,267.60/16,398,401.40 = 6,449,605.20/x
  3. Step 3: Cross multiply
    10,932,267.60x = 16,398,401.40 × 6,449,605.20
  4. Step 4: Simplify right side
    10,932,267.60x = 105,763,214,941,127.28
  5. Step 5: Solve for x
    x = 105,763,214,941,127.28/10,932,267.60
  6. Step 6: Final answer
    x = 9,674,407.80

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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.