Home / 42,912,110.60-64,368,165.90-10,563,756.20

Finding the Fourth Proportional to 42,912,110.60, 64,368,165.90 and 10,563,756.20

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Solution

The fourth proportional to 42,912,110.60, 64,368,165.90 and 10,563,756.20 is: 15,845,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912,110.60 : 64,368,165.90 = 10,563,756.20 : x
  2. Step 2: Convert to fraction form
    42,912,110.60/64,368,165.90 = 10,563,756.20/x
  3. Step 3: Cross multiply
    42,912,110.60x = 64,368,165.90 × 10,563,756.20
  4. Step 4: Simplify right side
    42,912,110.60x = 679,969,611,608,753.50
  5. Step 5: Solve for x
    x = 679,969,611,608,753.50/42,912,110.60
  6. Step 6: Final answer
    x = 15,845,634.30

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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.