Home / 9,977,139.30-14,928,340.95-7,105,145.70

Finding the Fourth Proportional to 9,977,139.30, 14,928,340.95 and 7,105,145.70

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Solution

The fourth proportional to 9,977,139.30, 14,928,340.95 and 7,105,145.70 is: 10,631,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977,139.30 : 14,928,340.95 = 7,105,145.70 : x
  2. Step 2: Convert to fraction form
    9,977,139.30/14,928,340.95 = 7,105,145.70/x
  3. Step 3: Cross multiply
    9,977,139.30x = 14,928,340.95 × 7,105,145.70
  4. Step 4: Simplify right side
    9,977,139.30x = 106,068,037,509,026.41
  5. Step 5: Solve for x
    x = 106,068,037,509,026.41/9,977,139.30
  6. Step 6: Final answer
    x = 10,631,107.21

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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.