Home / 7,130,772.60-10,693,826.10-2,642,465.40

Finding the Fourth Proportional to 7,130,772.60, 10,693,826.10 and 2,642,465.40

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Solution

The fourth proportional to 7,130,772.60, 10,693,826.10 and 2,642,465.40 is: 3,962,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,772.60 : 10,693,826.10 = 2,642,465.40 : x
  2. Step 2: Convert to fraction form
    7,130,772.60/10,693,826.10 = 2,642,465.40/x
  3. Step 3: Cross multiply
    7,130,772.60x = 10,693,826.10 × 2,642,465.40
  4. Step 4: Simplify right side
    7,130,772.60x = 28,258,065,462,866.94
  5. Step 5: Solve for x
    x = 28,258,065,462,866.94/7,130,772.60
  6. Step 6: Final answer
    x = 3,962,833.63

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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.