Home / 10,340,009.10-15,517,012.05-4,657,308.30

Finding the Fourth Proportional to 10,340,009.10, 15,517,012.05 and 4,657,308.30

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Solution

The fourth proportional to 10,340,009.10, 15,517,012.05 and 4,657,308.30 is: 6,989,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340,009.10 : 15,517,012.05 = 4,657,308.30 : x
  2. Step 2: Convert to fraction form
    10,340,009.10/15,517,012.05 = 4,657,308.30/x
  3. Step 3: Cross multiply
    10,340,009.10x = 15,517,012.05 × 4,657,308.30
  4. Step 4: Simplify right side
    10,340,009.10x = 72,267,509,011,665.02
  5. Step 5: Solve for x
    x = 72,267,509,011,665.02/10,340,009.10
  6. Step 6: Final answer
    x = 6,989,114.64

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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.