Home / 10,434,401.40-15,651,602.10-7,914,977.40

Finding the Fourth Proportional to 10,434,401.40, 15,651,602.10 and 7,914,977.40

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Solution

The fourth proportional to 10,434,401.40, 15,651,602.10 and 7,914,977.40 is: 11,872,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434,401.40 : 15,651,602.10 = 7,914,977.40 : x
  2. Step 2: Convert to fraction form
    10,434,401.40/15,651,602.10 = 7,914,977.40/x
  3. Step 3: Cross multiply
    10,434,401.40x = 15,651,602.10 × 7,914,977.40
  4. Step 4: Simplify right side
    10,434,401.40x = 123,882,076,895,292.55
  5. Step 5: Solve for x
    x = 123,882,076,895,292.55/10,434,401.40
  6. Step 6: Final answer
    x = 11,872,466.10

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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.